To win the 2012 election, the Romney and Obama campaigns need at least 270 electoral college votes to win.
But because there are 538 electors who officially pick the president, it's possible for President Barack Obama and former Gov. Mitt Romney to earn 269 votes each.
"Highly unlikely, but never say never, particularly in a race this close. I doubt that we're going to get there. I think the odds of it are, you know, approaching 1 percent or less," said FOX News political analyst Karl Rove.
Under the 12th Amendment, that means the House of Representatives would decide the presidency while the U.S. Senate would pick the vice president.
With the current climate in Washington, that means the Republican-controlled House would likely pick Romney for the White House.
"The Senate picks who the vice president is. It would probably be still in Democratic hands and would pick Joe Biden, so you would have a Romney-Biden ticket," said Democratic Strategist Joe Trippi.
FOX5 spoke with voters at the post office on Sunset near Paradise to ask how they would feel about a Romney-Biden administration.
"That would be tragic, that would be awful," said Montana Black, who describes herself as a bleeding-heart liberal.
"So long as we keep Romney on a good fitness program, make sure he gets his blood sugar taken care of and keep him from dying," said Chris Powell, who told FOX5 he's supporting Romney on Election Day.
Meanwhile, Merlyn Gravs said he's supporting Libertarian candidate Gov. Gary Johnson in November and he believes Romney and Biden combined would be the worst of both worlds.
"I'm very much opposed to Romney getting the election, and Biden as vice president wouldn't improve that a bit," Gravs told FOX5.
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