The Romney campaign fired back, "I was disappointed to hear that Rick Santorum would rather have Barack Obama as president than a Republican. This election is more important than any one person. It is about the future of America. Any of the Republicans running would be better than President Obama and his record of failure."
http://www.cbsnews.com/8301-503544_162-57402794-503544/santorum-if-you-like-romney-vote-for-obama/
http://www.cbsnews.com/8301-503544_162-57402794-503544/santorum-if-you-like-romney-vote-for-obama/