"Now that he’s locked down the Republican nomination, McCain has decided to reverse course again, re-embracing the position he abandoned in order to gain GOP support."
I'm not sure he has reversed his opinion to gain GOP support. Actually, he is lagging behind Obama w/ Western Latino voters according to a recent poll. He ran against his former position to get nominated. Now he is returning to it for the general election. He should pick Romney for VP. They can flip flop together.