Doyle McManus: The Third-Party Wild Card

Doyle McManus writes for the LA Times.

American voters have fired two modern presidents after just one term, Jimmy Carter in 1980 and George H.W. Bush in 1992. Both suffered because the economy was in poor shape, and both faced disaffection within their own parties. But there was another thing those candidates had in common: They both faced relatively strong third-party candidates in the November election.

John B. Anderson in 1980 and H. Ross Perot in 1992 both ran as independent centrists, and while they weren't the only reason the incumbents lost (Ronald Reagan won a majority of the popular vote in 1980), they were certainly a factor.

Until now, handicapping for next year's presidential election has focused on how President Obama might fare in a two-candidate race. Could Obama beat Mitt Romney? Rick Perry? Herman Cain? (In all three cases, the answer is probably yes.)

But there's likely to also be a wild card in this election. Americans Elect, a well-funded "virtual third party," plans to put a centrist presidential candidate on the ballot in all 50 states, and while he or she is unlikely to win the presidential election, the presence of a third candidate could still have a major impact on the outcome....