Question: Cognitive activism is participated in by the activist known for shaping which Newt Gingrich proposal?

Context paragraphs:
Candace Gingrich: Candace Gingrich ( ; born June 2, 1966) is an American LGBT rights activist at the Human Rights Campaign.  They are the half-sibling of former Speaker of the House Newt Gingrich, who is more than 20 years their senior.

Rediscovering God in America: Rediscovering God in America is a book written by former House Speaker Newt Gingrich with photography from his wife Callista Gingrich.  and a film series based upon the book and narrated by the two Gingriches.  The book was a "New York Times" bestseller.

Texas Patriots PAC: Texas Patriots PAC is a Super PAC based in The Woodlands in southeastern Texas.  The group gained national attention when it hosted a Republican presidential debate in November 2011 between candidates Herman Cain and Newt Gingrich.  The debate was conducted in the "Lincoln-Douglas" style, which Gingrich then went on to make a central theme of his campaign, promising to challenge President Obama to seven "Lincoln-Douglas" style debates, at three hours each, should he win the GOP nomination.

Cognitive activism: Cognitive activism is a type of activism that aims to bring about social change by evolving the way we think about things, often by reframing debates or redefining terms.  Frank Luntz and George Lakoff are exemplary cognitive activists, although most activists participate in cognitive activism to some degree.

Frank Luntz: Frank I. Luntz (born February 23, 1962) is an American political consultant, pollster, and "public opinion guru" best known for developing talking points and other messaging for various Republican causes.  His work has included assistance with messaging for Newt Gingrich's Contract with America, and public relations support for pro-Israel policies in the Israeli–Palestinian conflict.  He advocated use of vocabulary crafted to produce a desired effect; including use of the term "death tax" instead of "estate tax," and "climate change" instead of "global warming."

Political positions of Newt Gingrich: Newt Gingrich has declared his position on many political issues through his public comments and legislative record, including as Speaker of the House.  The political initiative with which he is most widely identified was the Contract With America, which outlined an economic and social agenda designed to improve the efficiency of government while reducing its burden on the American taxpayer.  Passage of the Contract helped establish Gingrich's reputation as a public intellectual.  His engagement of public issues has continued through to the present, in particular as the founder of American Solutions for Winning the Future.

Callista Gingrich: Callista Louise Gingrich (née Bisek; born March 4, 1966) is an American political aide, businesswoman, and author.  She is married to former Speaker of the U.S. House of Representatives and 2012 Republican presidential candidate Newt Gingrich.  In May 2017, President Donald Trump nominated her to be the United States Ambassador to the Holy See, a post requiring United States Senate confirmation.

Winning the Future: Winning the Future: A 21st Century Contract with America is a book by former U.S. Speaker of the House Newt Gingrich that outlines Gingrich's plans for the United States of America.  Published in 2005 by Regnery Publishing, its themes include: Social Security reform, immigration reform, education reform, increasing the usage of health savings accounts, allowing the disabled the option of working, and American interests within the world trading system.

Joseph Gaylord: Joseph Gaylord is a political consultant formerly closely linked to former U.S. Representative and Speaker of the House Newt Gingrich.  He was executive director of the National Republican Congressional Committee in the mid-1980s and worked for GOPAC, a political action committee which was "Gingrich's main vehicle for the long campaign that in 1994 resulted in the Republican takeover of the House after years of Democratic domination."  Gaylord was one of the people behind the Contract With America that won the Republican Party control of the United States Congress in the 1994 midterm elections.

R.C. Hammond: R.C. Hammond (born 1979) is an American political strategist and communications director.  He is currently a communications adviser for Secretary of State Rex Tillerson.  Hammond served as the press secretary to Newt Gingrich's 2012 presidential campaign.  He previously served Gingrich at his American Solutions for Winning the Future PAC.  Hammond has worked as press secretary or communications director for Senator Gordon H. Smith, Senator John E. Sununu and Representative Shelly Moore Capito.  He founded R. C. Hammond Public Affairs in 2012.

Supporting paragraphs: Cognitive activism Frank Luntz
Answer: Contract with America