All that's left to do is get out the vote and count the ballots. As the first results come in, here's what to watch for:
-- The Canaries. Reps. Ben Chandler (D-KY), Joe Donnelly (D-IN) and Baron Hill (D-IN) all face the nation's earliest closing times. If all 3 go down, Republicans can start popping champagne. But if either of the Indiana Democrats survive, the GOP should stop counting chickens.
-- The Enthusiasm Gap. Keep an eye on Reps. Barney Frank (D-MA) Tom Perriello (D-VA) and Sanford Bishop (D-GA). If Frank wins in a blowout, labor turned on their base. If Perriello doesn't get stomped, President Obama fired up the troops. And if Bishop wins a surprisingly competitive race, African Americans re-engaged even without Obama on the ballot. Then again, if these races break the other way, it's an early sign that Dems just didn't care enough to vote.
-- The Credit Grab. Who made the big difference for the GOP? The RNC, the NRCC, the NRSC and the RGA all want you to know they deserve the credit. The RGA, which spent $69 million on governor races this year, is making the most aggressive, and compelling, case so far. Meanwhile, a fake White House official tweeted the obligatory invite to Democrats' circular firing squad tonight.
Stay with us tonight for an On Call live blog, an hour-by-hour what to watch guide and hourly Last Calls for the latest results. First polls close at 6 p.m., first Last Call at 7 p.m. Happy vote hunting.
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