Obama congratulates Romney on GOP primary win

(CBS News) President Obama and Mitt Romney briefly set aside their differences on Wednesday as Obama congratulated Romney on officially winning the delegates necessary to become the president's Republican rival.

The two spoke by phone in a call initiated by Mr. Obama.

"President Obama said that he looked forward to an important and healthy debate about America's future, and wished Gov. Romney and his family well throughout the upcoming campaign," a statement from Obama's reelection campaign said.

Romney aides said the call was cordial, with Romney thanking the president and wishing him and his family well.