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Former Sen. Rick Santorum | Bio
Republican Presidential Candidate
Martin O'Malley | Bio
Bob McDonnell | Bio
Marsha Blackburn | Bio
U.S. representative, R-Tenn.
Rev. Al Sharpton |
Host, MSNBC’s "PoliticsNation"
E.J. Dionne | Bio
Columnist, The Washington Post
Peggy Noonan | Bio
Columnist, The Wall Street Journal