No question that McCain served as a stalking horse for Obama. And the Democrat Senate acted swiftly to pass that vote of confidence for McCain. If they hadn’t wanted to do it, they surely would have dragged their feet. And Obama took a prominent part in pushing it, I believe.
Did the left also ensure that McCain got the nomination? Or did they just take advantage of it after he did? It could be a little of both. McCain was NOT really the choice of Republican voters, still less conservative voters. He went over the top with the help of the press and with a primary system that is frontloaded with liberal states and crossover states. That system was set up by the RNC. And he was helped at strategic moments by various figures—Crist and Huckabee in particular, but no doubt others as well.
It was always the Commie objective to get control of BOTH US political parties if possible. I think it is highly probable that McCain was brainwashed in North Vietnam. He is likely the “Manchurian Candidate”. That was the only way the Commies could get hold of both parties. Have their own creations as candidates for the same election.