(CNN) - After much speculation, California Gov. Arnold Schwarzenegger endorsed John McCain’s White House bid Thursday.
Meanwhile, former President Bill Clinton continued his tour across the country campaigning for wife Hillary.
Watch the candidates on the trail in latest installment of American Votes 2008.
Related: Listen to CNN Senior Political Correspondent Candy Crowley and CNN's John Lisk run down the latest money haul for Barack Obama; the Democratic debate tonight; and Arnold Schwarzenegger's pick for president.