campaigning in indiana in exange for cruz skipping new mexico. >> there is no alliance, we made a doo determinat determination our assets. >> reporter: others are expressing strong concerns about cruz. former speaker john boehner blasting cruz at an interview in stanford university. >> lucifer in the flesh. i have never worked with a more miserable son of a bitch. >> reporter: but cruz appears unfazed. >> he didn't aabbreviate. he allowed his inner trump to come out. >> reporter: trump may be cleaning up in the primaries, but in the general, his numbers with women could use some work. >> thank you so much! >> reporter: and today he repeated his claim that hillary clinton is only winning by playing the gender card. >> the primary thing that she has going for her is that she's a woman, and she's playing that card like i have never seen anybody play it before. >> reporter: now even though the trump campaign feels pretty comfortable about their odds in indiana, they're not taking anything...