Sen. John McCain, R-Ariz., responded to President Obama’s challenge that he “go after me” over the Benghazi attack by  declaring him either incompetent or corrupt and suggesting he is not taking the attack seriously.

“This president — this administration — has either been guilty of colossal incompetence or been engaged in a coverup, neither of which is acceptable to the American people,” McCain said on the Senate floor today. “I speak as a friend of Christopher Stevens, I speak as a person who knows something about warfare, I speak as something of an authority — that this attack could have been prevented if the information on the ground had been taken into consideration.”