It’s anything but scientific, but the coffee drinkers who buy their libations at 7-Eleven are casting their ballots (actually, color-coded coffee cups) in favor of their favorite presidential candidate. The leader at the time the last pot was brewed, is Barack Obama, by a wide margin.
(58% to 42% nationally and 62% to 38% in Nevada)
You can follow results at 7-Election.com.
I’m not sure what Bob Barr voters are drinking.