Meanwhile: Obama and McCain are beefing up their attacks out on the campaign trail.McCain is sharpening his criticism of Obama's association with a former 60's era antiwar radical.McCain says Obama's relationship with William Ayers is part of a broader issue of honesty.Senator John McCain says, ''Senator Obama said he was just a guy in the neighborhood, we know that's not true.''Obama has condemned Ayers violent past as "despicable."And his campaign says repeated efforts by McCain to turn Ayers into a campaign issue show how desperate McCain is to change the topic from the economy.Sen. Barack Obama says, ''A few weeks ago, he put out a plan that basically ignored homeowners. And now, in the course of 12 hours, he's ended up with a plan that punishes taxpayers, rewards banks, and won't solve our housing crisis.''