Cruz's desire to be president was in opposition to what the GOPe had planned. Cruz has the same agenda as the GOPe, he just thought he could win without them... His plan has not panned out, and so he and the GOPe have joined forces to stop Trump. Cruz has the belief he can win the nomination on the second ballot at the convention...
Cruz and the GOPe joined forces years ago. Cruz just knew he couldn’t get elected by Tea Party if we knew.