During the past two Presidential elections, Dallas-based 7-Eleven has offered it’s coffee drinking customers a way to let their opinions be known. Choose a red cup, and you’re pro-McCain. Blue and you’re pro-Obama.

The promotional campaign kicks off this Wednesday (1 Oct 08) and runs through Election Day.

Is there any validity to this casual poll? Take a look at the results from the past two elections:

2000 election
Presidential candidate // U.S. voters // 7-Election voters
George W. Bush // 47.9% // 51.2%
Al Gore // 48.4% // 48.9%

2004 election
George W. Bush // 50.7% // 51 %
John Kerry // 48.3% // 49%