MSNBC Exploring Huffington’s MSNBC Guest Hosting Gig By SteveK on Nov. 17, 2008 - 1:25 PM As first reported on TVNewser, Arianna Huffington will guest host The Rachel Maddow Show tonight on MSNBC. Huffington writes about some of the guests being lined up, including Bill Maher, Google CEO Eric Schmidt and FiveThirtyEigh ...