President Obama speaks in the White House briefing room in Washington on Monday. "I don't think that Gov. Romney is somehow responsible for the death of the woman that was portrayed in that ad," Mr. Obama said. "But keep in mind, this is an ad that I didn't approve, I did not produce and, as far as I can tell, has barely run. I think it ran once." (Associated Press)

Photo by: Pablo Martinez Monsivais

President Obama speaks in the White House briefing room in Washington on Monday. "I don't think that Gov. Romney is somehow responsible for the death of the woman that was portrayed in that ad," Mr. Obama said. "But keep in mind, this is an ad that I didn't approve, I did not produce and, as far as I can tell, has barely run. I think it ran once." (Associated Press)