Actually, Ted Cruz has much better favorability ratings than Donald Trump...
fivethirtyeight.com/features/donald-trump-is-really-unpopular-with-general-election-voters/
You mean after personally insulting every candidate in sight those supporters aren't liking him? Who would have thought it?
The Rats have to be eating this up. They are going to give us the worst candidate ever and if Trump is the nominee at best it's a toss up whether Trump can win.