Question: What daily political journal was Matthew Cooper the White House editor for?

full_context: Document 1: Niharika Acharya: Niharika Acharya is the Editorial Director at National Journal, an Atlantic Media company. Prior to joining the National Journal, she was a freelance producer at Fox TV. Niharika worked at Bloomberg TV from 2010 to 2014, she was the Producer of Bloomberg Television's flagship political show, "Political Capital with Al Hunt", a political show with an economic edge. The show features discussions on national and international news, along with a weekly wrap-up and interviews with key political figures.
Document 2: The Washington Examiner: The Washington Examiner is an American political journalism website and weekly magazine based in Washington, D.C. that covers politics and policy in the United States and internationally. It is owned by MediaDC, a subsidiary of Clarity Media Group, which is owned by Philip Anschutz.
Document 3: The Hotline: The Hotline is a daily political briefing published, alongside "National Journal", by Atlantic Media from its headquarters at The Watergate complex in Washington, D.C.. It is currently edited by Scott Bland. "The Hotline" was founded by Doug Bailey and Roger Craver in 1987, and published independently until its acquisition in 1996 by National Journal Group, now a subsidiary of Atlantic Media.
Document 4: Richard Miniter: Richard Miniter (born 1967) is an investigative journalist and author whose articles have appeared in "The New York Times", "The Washington Times", "The Washington Post", "The Wall Street Journal", "The Atlantic Monthly", "Newsweek", "The New Republic", "National Review", PJ Media, and "Reader’s Digest". A former editorial writer and columnist for "The Wall Street Journal" in Europe, as well as a member of the investigative reporting team of the "Sunday Times" of London, he is currently the National Security columnist for "Forbes". He also authored three "New York Times" best-selling books, "Losing bin Laden", "Shadow War", "Leading From Behind", and most recently "Eyes On Target". In April 2014, Miniter was included by CSPAN's Brian Lamb in his book "Sundays At Eight", as one of Lamb's top 40 book author interviews of the past 25 years for Miniter's investigative work on 9/11 Mastermind Khalid Shaikh Mohammed.
Document 5: City &amp; State: City & State is a political journalism organization based in New York City. The company publishes a weekly magazine covering politics and government in New York City and New York State that is distributed to New York State legislators, county executives, municipalities, the New York Congressional delegation, New York City Council members and others leaders in New York business and government. After years of publishing a twice-monthly print edition, "City & State" has announced plans to switch to a weekly in January 2016. "City & State" also publishes on their website and sends out a free First Read daily email. In May 2016 the company also launched a monthly magazine based in Philadelphia and a website.
Document 6: Matthew Cooper (American journalist): Matthew Cooper (born 1963) is the political editor at "Newsweek". Before that he was the managing editor for White House coverage at "National Journal" magazine. Cooper is a former reporter for "Time" who, along with "New York Times" reporter Judith Miller was held in contempt of court and threatened with imprisonment for refusing to testify before the Grand Jury regarding the Valerie Plame CIA leak investigation. He was a blogger for "Talking Points Memo" in early 2009, and contributed to the magazine "Condé Nast Portfolio" until it closed in April, 2009, after which he became a correspondent for "The Atlantic" magazine. He worked for the Financial Crisis Inquiry Commission on a book about the group's findings from the economic collapse in 2010.
Document 7: Matthew Tempest: Matthew Tempest is a British journalist based in Paris for the agency, which he joined in late 2007. He was formerly a political correspondent and blogger for "Guardian Unlimited", the "Guardian" newspaper's London-based website, which he joined in 2001. Whilst studying English at University College, London, he was a member of UCL Film Society with Christopher Nolan.
Document 8: Kevin Corke: Kevin Corke is an American journalist and is, presently, a White House Correspondent for Fox News Channel in Washington D.C. Corke was a national news correspondent based in Washington D.C. for NBC from 2004-2008. Most of his work there involved coverage of the Bush Administration as a member of the White House Press Corps. Additionally, Corke frequently reported from The Pentagon, U.S. Supreme Court and other locations in Washington D.C. Corke also figured prominently in NBC's coverage of the Virginia Tech shooting.
Document 9: Marc Cooper: Marc Cooper is an American journalist, author, journalism professor and blogger. He is a contributing editor to "The Nation". He wrote the popular "Dissonance" column for "LA Weekly" from 2001 until November 2008. His writing has also appeared in such publications as the "Los Angeles Times", "The Atlantic Monthly", "Harper's Magazine", "The New Yorker", "The Christian Science Monitor", "Playboy" and "Rolling Stone". His translated work has been published in various European and Latin American publications, including the French daily "Liberation" and the Mexico City-based dailies "La Jornada" and "Uno Mas Uno". He has also been a television producer for PBS, "CBS News", and "The Christian Science Monitor". His radio reports have aired on NBC, Canadian Broadcasting Corporation and the BBC. During the 2008 presidential campaign he worked as editorial coordinator of "The Huffington Post"' s citizen-journalism project OffTheBus as well as a senior editor of the overall site.
Document 10: Richard Behar: Richard Behar is an American investigative journalist. Since 2012, he has been the Contributing Editor of Investigations for Forbes magazine. From 1982 to 2004, he wrote on the staffs of "Forbes", "Time" and "Fortune". Behar's work has also been featured on BBC, CNN, PBS, FoxNews.com and Fast Company magazine. He coordinates Project Klebnikov, a media alliance to probe the Moscow murder of Forbes editor Paul Klebnikov. He is writing a book about Bernard Madoff. Behar is editor of Mideast Dig.
Document 11: Coomi Kapoor: Coomi Kapoor is currently the Contributing Editor of the "Indian Express". Prior to working with the "Express", Kapoor has worked in various publications including "India Today", "Sunday Mail", and "Illustrated Weekly". Kapoor was with the "Indian Express" at the time Indira Gandhi had imposed emergency in India in 1975. In 2009, "Outlook" magazine described Coomi and her husband and fellow journalist Virender Kapoor as a "gossip cartel" since "they know everyone" and there is allegedly nothing that goes on in the corridors of power that they don't know about. Kapoor has written a new book on the Emergency called As of 2015, Coomi Kapoor is on the Executive Committee of the Editor's Guild of India.
Document 12: National Journal: National Journal is a research and advisory services company based in Washington, D.C. offering services in government affairs, advocacy communications and policy brands research for government and business leaders. It publishes daily journalism covering politics and public policy and is led by President Kevin Turpin and Editor-in-Chief Stephen G. Smith.
Document 13: Jane Mayer: Jane Meredith Mayer (born 1955) is an American investigative journalist who has been a staff writer for "The New Yorker" since 1995. In recent years, she has written for that publication on money in politics, government prosecution of whistleblowers, the United States Predator drone program, Donald Trump's ghostwriter, and President Trump's financial backer, Robert Mercer. In 2016, Mayer's book "Dark Money", in which she investigated the history of the right-wing billionaire network centered around the Koch brothers, was published to critical acclaim.
Document 14: Atlantic Media: Atlantic Media is an American print and online media company owned by David G. Bradley and based in the Watergate in Washington, D.C. The company publishes several prominent news magazines and digital publications including "The Atlantic," "Quartz", "Government Executive", "Defense One" and those belonging to its National Journal Group subsidiary: "National Journal", "The Hotline", "National Journal Daily" (previously known as "Congress Daily"), and "Technology Daily". The National Journal Group also publishes books and directories, the most known of which is the biennial "Almanac of American Politics".
Document 15: Politics and Policy: Politics and Policy is a peer-reviewed academic journal published six times a year by Wiley-Blackwell on behalf of the Policy Studies Organization, the Universidad Iberoamericana, Mexico City, the Alabama Political Science Association, the British Columbia Political Studies Association, the Georgia Political Science Association, the Great Plains Political Science Association, the Louisiana Political Science Association, the Mississippi Political Science Association, the New York State Political Science Association, the North Carolina Political Science Association, the Ohio Association of Economists and Political Scientists, and The Roosevelt Institution. The journal was established in 1973 and the current editors-in-chief are Emma R. Norman (University of the Americas Puebla) and David Mena (Universidad Iberoamericana). The journal publishes articles on public policy, political science, political history, political sociology, public administration, and international relations.
ground_truth: National Journal