This Week on the Daily Show

MONDAY 12/18 -- Tom Vilsack -- Iowa Governor, 2008 presidential candidate

TUESDAY 12/19 -- Bill Kristol -- editor, The Weekly Standard

WEDNESDAY 12/20 -- Ben Stiller -- actor, "Night at the Museum"

THURSDAY 12/21 -- Ed Viesturs -- high altitude mountaineer, author of "No Shortcuts to the Top" (Repeat episode)