The states that put presidents over the top
We all think we know which states are the pivotal players in the Electoral College. The Crystal Ball’s most recent look at the map showed that there are seven “Super Swing States:” Colorado, Florida, Iowa, Nevada, New Hampshire, Ohio and Virginia. How these states vote on Nov. 6 will likely decide the outcome of the 2012 presidential contest. But which state will put either Barack Obama or Mitt Romney over the top? In other words, which state will actually prove to be the decisive domino in the race to 270 electoral votes? A simple yet meaningful way to look for the decisive state is to order the states according to the winner’s margin of victory. By arranging the states in this way, we can find the cut-off point where the winning candidate crosses the 270 electoral vote threshold. The state that gives a candidate a majority of the 538 votes in the Electoral College is the decisive state. In 2008, that state was Colorado. Obama won the Centennial State by about nine percentage points over John McCain; had Obama failed to carry Colorado and every state that he won by a smaller margin, the Electoral College result would have been