Mitt Romney, during campaign stops in Michigan yesterday, embraced his Michigan roots for all they’re worth. As he watches his popularity plummet in the state in which he grew up, he seems to be grasping at anything to keep from sinking any further. Romney tried to hit all the right buttons in order to resonate with Michigan voters leading up to their February 28 primary, by making himself one of them again. “I was born and raised here. I love being in Michigan,” Mr. Romney said. ”Everything seems right here. You know, I come back to Michigan; the trees are...