Mark is the managing editor for Bloomberg Politics and co-host, along with with John Heilemann, of "With All Due Respect", a daily half-hour show that airs on Bloomberg TV. Prior to joining Bloomberg in May 2014, Mark was the editor-at-large and senior political analyst for Time magazine covering politics, elections and debates. He also created and edited "The Page," a political news and analysis website, and was the senior political analyst for MSNBC. Mark joined Time in 2007 after almost 20 years at ABC News, including 10 years as political director. He is the co-author of “Double Down: Game Change 2012,” the sequel to “Game Change: Obama and the Clintons, McCain and Palin, and the Race of a Lifetime,” a 2010 best-seller, and the author of “The Undecided Voter's Guide to the Next President,” published in 2007, and co-author of “The Way to Win: Taking the White House in 2008,” published in 2006.