This misconception is exactly why I bring up my point so emphatically. There is nothing that binds either a Republican or Democrat delegate to voting for the same candidate at the Convention, that they voted for in their state. This is clearer to see in this example: Rubio won 169 delegates, and then dropped out of the race. So are those delegates forced to vote for him at the Republican Convention? Of course not. They are free to change their mind and vote for any other candidate. Same with every other Delegate. Even so-called "bound" delegates are not actually "bound" to their previous vote. It's rare for them to change their vote, but it does happen. (They call them Faithless Electors, and usually this is tantamount to losing your party support... but with the R's running scared from Trump, I expect we will see a LOT of Faithless Electors in this RNC.) A very good friend of mine is a Superdelegate here in WA state, so I've been geeking out on this quite a bit with him. The stark majority of RNC delegates are bound- that is, they are required to vote at convention how their state voted in the primary.