Marco Rubio: "This is a choice between a guy who has no idea what he's doing, and a guy who does"

◼ ...here’s Rubio showing off his attack-dog skills earlier today. Excellent stuff, especially in light of The One’s sleazy smear this morning. - Allahpundit/HotAir

◼ "This is not a choice between two bad people. This isn't not a choice between one bad guy and one good guy. This is a choice between a guy that has no idea what he's doing and a guy that does," Marco Rubio said a campaign event for Mitt Romney today. - Real Clear Politics