“There’s guards at the on-ramps, armed to the teeth. And you may case the grounds from the cascades to Puget Sound but you are not permitted to leave.” Well, it’s not falling off the stage, I guess. But McCain’s bizarre mix-up on the campaign trail today, an electoral coda for the “all-POW, all-the-time” candidacy if I ever saw one, clearly seems to signal a politician — and campaign — in serious decline. At this point, McCain’s presidential bid is rapidly progressing from appalling to just plain sad.