Arianna On MSNBC, Discusses Obama Admitting His Mistake: "A Teachable Moment"

03/07/2009 05:12 am ET | Updated May 25, 2011

Arianna appeared on MSNBC's "Countdown" Wednesday night to talk with host David Shuster about the significance of Obama acknowledging his mistakes regarding some of his cabinet nominations and saying that he "screwed up." Arianna described this another in a series of "teachable moments" that Obama has offered the country.