Prominent Republican Senator: “If Romney cannot win Michigan, we need a new candidate,”

Jeb Bush anyone?

(ABC News)-[...]“If Romney cannot win Michigan, we need a new candidate,” said the senator, who has not endorsed anyone and requested anonymity.

The senator believes Romney will ultimately win in Michigan but says he will publicly call for the party to find a new candidate if he does not. [...]

It would have to be somebody else, the senator said.  Who?

“Jeb Bush,” the former Florida governor.