Huffington subs for Maddow
Behind-the-scenes video as Arianna Huffington prepares to guest-host Monday's edition of The Rachel Maddow Show
Arianna Huffington, founder of The Huffington Post, fills in for a vacationing Rachel Maddow, meeting with the Maddow Show staff and sitting at Rachel Maddow's desk in preparation for the show. Below are video reports filed to the Huffington Post as the day progresses.
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