Or does he?  His statements surrounding the recent South Dakota abortion ban leave plenty to wiggle room that is pleasing neither his rabid activist base nor the moderate pro-choice general election voters.  Alternet reports:

McCain had a spokesman issue a statement saying he “would have signed the [South Dakota] legislation, but would also take the appropriate steps under state law — in whatever state — to ensure that the exceptions of rape, incest or life of the mother were included.” Of course, there were no exceptions for rape and incest in the South Dakota law, making McCain’s position essentially that he would favor banning nearly all abortions as long as it didn’t involve banning nearly all abortions. That’s the waffling of a man caught between fervently anti-choice Republican primary voters and a pro-choice general election majority.

Nothing like ‘ole straight talk himself running in circles trying to hide behind tortured rhetoric.  What does John McCain truly believe?  Anything that will get him elected.  He is quite willing to sell his soul for a vote.