“If Trump can beat a smart guy like Cruz in every poll, I am sure he will beat Hillary hands down.”
Wait until after the Iowa caucus to rank them then.
Why the emphasis on Iowa caucus? Santorum won Iowa. Huckabee won Iowa. Where is president Santorum? Where is president Huckabee? If Cruz wants to follow Santorum & Huckabee, it is not very smart. There are 49 other states to win after Iowa.