Morning Joe 10/19/11

Mitt drops (then pulls) Perry attack ad; Cain stumbles

Top Talkers: Mitt Romney releases (and then promptly pulls) a new attack ad against Rick Perry, Herman Cain's "9-9-9" plan continues to receive scrutiny … and so do his comments on gay marriage and negotiating with the Taliban. And Ron Paul supporters ... more Duration: {{video.duration.momentjs}}