Alexis Simendinger, RealClearPolitics
News flash: The country's next president may be elected in October, not November.Confused?Campaign strategists working for President Obama and Mitt Romney say they're organized for an October election. And both candidates believe early voting in key battleground states could conceivably forecast the next president days and perhaps weeks before most voters turn out on Nov. 6.Early voting -- which has become a significant trend since 2004 -- helps explain why July's campaign advertising for and against the presidential contenders has been so intense well before most of the...