If Trump fails to reach 1,237, we will probably get a Cruz/Walker ticket, or Cruz/Kasich. Cruz will not join a Trump ticket, IMO, because Cruz sees Trump for what he is, an opportunist who cares about nothing and stand for nothing but himself and his ego.
According to Rience, the Convention just might be choosing the VP as well as the pres. nominee.....Might not be the Pres nominee’s choice, as usual.