Watch The Daily Show Season 12 Episode 55 Online

Tonight, comedian Garry Shandling promotes his new DVD Not Just the Best of the Larry Sanders Show. Jon begins tonight's show with a look at Baghdad and how the Bush administration is bridging the gap between Shiites and Sunnis by building a series of walls in Baghdad in a segment called "Extreme Makeover: Baghdad Edition". Jon then talks with Baghdad Bureau Chief Aasif Mandvi about the Baghdad walls in a segment called "Wall or Nothing". Finally, Lewis Black makes fun of several Earth Day television specials in "Back in Black".