WASHINGTON (AP) -- After a three-month struggle, Mitt Romney is edging into the mop-up phase of the race for the Republican presidential nomination.
Romney has been buoyed by Newt Gingrich's decision to scale back his campaign to the vanishing point and Rick Santorum's statement that he would take the No. 2 spot on the party ticket in the fall.
Romney on Wednesday campaigned by phone for support in next week's Wisconsin primary while he shuttled from California to Texas on a fundraising trip.
Romney aides are spreading the word that former President George H.W. Bush will bestow a formal endorsement on Romney on Thursday. They've declined to say whether former President George W. Bush has been asked for a public show of support.
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