He-e-e-e-re Comes Santorum

Republican presidential contender Rick Santorum claimed a surge of momentum and fundraising on Wednesday, a day after his shocking sweep of nominating contests in Colorado, Minnesota and Missouri that dealt a blow to front-runner Mitt Romney. Even though Romney holds strong advantages in financing and organization, his campaign will have to refocus to fight the challenge from Santorum, a former U.S. senator from Pennsylvania known for his socially conservative views. “We definitely are the campaign with the momentum, the enthusiasm on the ground,” Santorum said on CNN/ Reuters . More here. (AP photo: Sen. Rick Santorum speaks during a primary night watch party Tuesday in St. Charles, Mo.)

Question: What happened to Romney?