From Dan Balz:
It is useful to recall that a year ago, McCain’s campaign imploded, with chief strategist John Weaver and campaign manager Terry Nelson handing in their resignations and the top level of the communications shop following them out the door. Almost no one gave McCain any real chance of winning. Seven months later he had clinched that nomination.His situation now is hardly comparable. But he can’t count on the mistakes of his rival to boost him in the general election the same way he was able to do in the primaries. When he returns from Colombia and Mexico and hunkers down for the holiday weekend, he will no longer have to answer questions about where he was. But will he have the answer to the question of where he goes from here.