Mitt Romney's missteps in Libyan exchange produce viral video moment he can never erase

President Obama stands with Secretary of State Clinton during a ceremony at Joint Base Andrews, Sept. 14, marking the return to the United States of the remains of the four Americans killed in Benghazi. It was a major miscalculation. You could see from Mitt Romney's demeanor in the Tuesday night exchange over Libya that he saw himself catching President Obama in a "gotcha" moment....