Not only did Cruz betray Trump at the convention he has mostly sat quietly as a Senate back bencher the past two years while the hysterical Never Trump “resistance” that his campaign birthed has blossomed. Cruz has never taken ownership of that and been the wing man to POTUS his alleged conservative values should have demanded.
Apparently, Mitch McConnell is only a liar when Cruz runs for POTUS. Cruz has been most AWOL in these historical times and is right seen as a typical opportunistic career politician. That is hurting him with conservative voters who should be enthusiastically supporting him.
Trump will endorse him in Oct.
Conservatives know we need Cruz and aren't going to allow a D take the seat.