Democrats to Nate Silver: You're Wrong - NationalJournal.com:
Democrats aren't taking Nate Silver's latest Senate prediction lying down.
In an unusual step, the executive director of the Democratic Senatorial Campaign Committee on Monday issued a rebuttal the famed statistician's prediction—made a day earlier—that Republicans were a "slight favorite" to retake the Senate. Silver was wrong in 2012, the political committee's Guy Cecil wrote in a memo, and he'll be wrong again in 2014.
"In fact, in August of 2012 Silver forecast a 61 percent likelihood that Republicans would pick up enough seats to claim the majority," Cecil said. "Three months later, Democrats went on to win 55 seats..."