Question: Along with Barbara Bush, what other member of the Bush family has been seen at Madam's Organ Blues Bar?

Craig Unger is an American journalist and writer.  He grew up in Dallas, Texas, and attended Harvard University.  His most recent book "Boss Rove: Inside Karl Rove's Secret Kingdom of Power".  He also wrote "The Fall of the House of Bush," about the internal feud in the Bush family and the rise and collusion of the neoconservative and Christian right in Republican party politics, viewing each group's weltanschauung and efforts concerning present and potential future US policy through a distinctly negative prism.  A previous work, "House of Bush, House of Saud" explored the relationship between the Bush family and the House of Saud.  Craig Unger's work is featured in Michael Moore's film "Fahrenheit 9/11".  Unger has served as deputy editor of the New York Observer and was editor-in-chief of Boston Magazine.  He has written about George H. W. Bush and George W. Bush for "The New Yorker", "Esquire Magazine" and "Vanity Fair".  He has written about the Romney family and Hart InterCivic. <SEP> Barbara Pierce Bush Jr. (born November 25, 1981) is the elder of the fraternal twin daughters (the other is Jenna Bush Hager) of the 43rd U.S. President George W. Bush and former First Lady Laura Bush.  She is also a granddaughter of the 41st U.S. President George H. W. Bush, and his wife, Barbara Bush, after whom she was named. <SEP> The White House Doctor: My Patients Were Presidents – A Memoir is a book authored by Connie Mariano, the first military woman in the history of the United States to be appointed as Physician to the President, the first female director of the medical unit of the White House, and the first Filipino-American to become a rear admiral in the US Navy.  With a foreword from Bill Clinton, the autobiographical book takes a look at the personal lives of three American Presidents (George H.W. Bush, Bill Clinton, and George W. Bush) and three American First Ladies (Barbara Bush, Hillary Clinton, and Laura Bush) she had taken care of while working as a White House physician.  It was described as a "fascinating look into what goes on behind closed doors at 1600 Pennsylvania Avenue". <SEP> Madam's Organ Blues Bar is a restaurant and nightclub located at 2461 18th Street NW in Washington, D.C.'s Adams Morgan neighborhood.  A local landmark, the bar is popular for its nightly live music, especially blues and bluegrass.  Regular performers include Bobby Parker, Ben Andrews, Catfish Hodge, and Bob Perilla & Big Hillbilly Bluegrass.  The bar offers billiards, has a rooftop deck and serves soul food.  Notable regular patrons have included Euan Blair, son of Tony Blair, and the late Soviet dissident artist Alexandr Zhdanov.  Hungarian Ambassador András Simonyi was not only a regular patron but also performed with his band "Coalition of the Willing" for his Washington Diplomatic farewell party attended by a Washington A-list including European diplomats, United States Secretary of Homeland Security Michael Chertoff, and Prime Minister Ferenc Gyurcsány.  Barbara and Jenna Bush have also been spotted there.  Additionally, Vince Vaughn and Owen Wilson were regulars during the filming of Wedding Crashers, and Politically Incorrect host Bill Maher always stops by when in Washington.  Madam's Organ was described as a favored hangout by Playboy and Stuff (magazine), and was featured on the Wild On!  travel series on E!.