Runoff races could leave outcome of 2014 elections uncertain

Yogi Berra once said “It’s déjà vu all over again,” and some political analysts say his malapropism could apply to this year’s midterm Senate elections. 2014, they warn, could look a lot like the aftermath of the 2000 presidential election.

That’s because in two of the most important -- and closest -- races, Louisiana and Georgia, a candidate must reach a threshold of 50 percent on election night to claim victory. If they don’t, the race goes to a runoff.

Here’s where it gets really interesting. The Louisiana runoff is...