What if it comes down to one state that’s “too close to call,” but in the end, Romney squeaks out a win - but the Democrats get 50 Senators and thus control both houses of Congress? Do the Democrats (yes, I’m looking at you, Senator Boxer - you’re the one who complained in 2004) challenge that state’s electoral votes, knowing that they can get both houses to vote to accept an “alternate” slate of electors who would vote for Obama?
(In other words, imagine what could have happened with Florida’s votes in 2000 had the Democrats controlled both the House and Senate at the time.)
Remember, the counting of the electoral votes takes place on January 6 - three days after the new Congress sits for the first time.
If there’s a good reason to do it, it would be an interesting power play. But they’d better have some evidence before taking that step. “Shenanigans” and anecdotes wouldn’t cut it. Those are a part of every close race.