Obama ran against Bush and it seemed to work fairly well.
And Walker taking shots at Cruz thru Obama helps us how?
You must be quite conflicted, judging by your tagline. You want Cruz as vice president yet Walker doesn't think Cruz is qualified.
I bet the dems are happy though. They're writing the debate questions now:
Governor Walker, by your past statements you've clearly disqualified most of your opponents, given that they are Senators...except for...wait for it...wait for it...Governor Bush...