Mark Kelly speaks with David about his reaction to the campus shooting in Roseburg, Ore., the assassination attempt in Tucson, Ariz., that his wife, ex-congresswoman Gabby Giffords, survived in 2011, and where he thinks the debate over gun control is heading in the future.
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Matthew Dowd, former chief strategist for George W. Bush's 2004 presidential campaign and current ABC News political analyst and visiting Fellow at the University of Chicago Institute of Politics, discusses his time in the White House, the possible rise of an independent political party, and the recent visit to the U.S. of Pope Francis.
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Sen. Sanders tells David about his childhood in Brooklyn, his presidential campaign, and his stance on selfies.
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