Desperation.

President Barack Obama had some startling words for his opponent in an interview with Rolling Stone, according to an advance report on the article from Mike Allen at Politico.

Allen says Obama told Rolling Stone's editor that kids look at Mitt Romney and say, "Well, that's a bullshitter, I can tell."

"Obama Calls Romney 'A Bullshitter'." By Grace Wyler, Business Insider, 10/25/12.