Mitt Romney: “They announced early on, one of their insiders said their campaign was going to be based upon the strategy of -- quote…”

“They announced early on, one of their insiders said their campaign was going to be based upon the strategy of -- quote -- "kill Romney" -- end of quote. That's what they're doing. It's disgusting. It's demeaning. It's something which I think the president should take responsibility for and stop.”