Cokie Roberts Cokie Roberts is a Morning Edition commentator.
Political Wrap-Up: Barack Obama on 'Fox News'
Catholic Voters Key Players in Pa. Primary
Obama's Political Gaffe in San Francisco
Political Roundup: Iraq Update, Clinton in the News
Democrats Boost Money, Rolls; McCain's U.S. Tour
Sizing Up the Running-Mate Race
Democrats' Race Heats Up; Nader Announces Bid
Obama Meets with Former Rival Edwards
Cokie Roberts: What We Learned Tuesday
Setting the Table for 'Super Tuesday'
Presidential Race Turns to Florida
New Campaign Polls Show Big Changes
Obama Leads; Clinton, Edwards Vow to Persevere
Presidential Hopefuls Take Short Break for Holiday
Forecasting Difficult for Presidential Nominee