The latest Quinnipiac polls show Barack ObamaBarack Hussein ObamaTrump, Biden have one debate goal: Don't lose Is Congress reasserting itself? Trump-Biden debate: High risk vs. low expectations MORE building significant leads over John McCainJohn Sidney McCainJill Biden shuts down Jake Tapper's question about husband's 'occasional gaffe' Crenshaw looms large as Democrats look to flip Texas House seat Analysis: Biden victory, Democratic sweep would bring biggest boost to economy MORE in three key swing states, Pennsylvania, Ohio and Florida, notes Jerome Armstrong. Obama's surge is due to voters liking John McCain less and trusting Obama more on the economy, Armstrong notes. McCain, in a testy meeting with the Des Moines Register's editorial board, stridely denied that his campaign hasn't been fully honest but sounded like he could soon become "unhinged," writes Todd Beeton.