Sen. John McCain has often talked about the need for Americans to dedicate themselves to service, namely military, and he is on the money.

But a line of attack that was used consistently last night by former New York Mayor Rudy Giuliani, and later by Alaska Gov. Sarah Palin, tried to call into question whether community organizers put their country first.

Palin focused on the issue, mainly to criticize the Obama campaign for offering up his community organizing work opposite her experience as mayor.

But when you examine Giuliani's dismissive tone -- and the subsequent laughter by the Republicans in the XCel Energy Center -- regarding the community organizer jabs, the Democrats could have an opening.