Capitol idea

Before he even gets a chance to change his address, Barack Obama will be roasted by the Capitol Steps like every other politician. The satirical musical group is on the road stumping for its "Campaign and Suffering" CD, and the troupe will throw in bits about global warming, the recession, foreclosures, bank failures, and Joe the Plumber (and, with any luck, perform "Flock Around Barack" sung to the tune of "Rock Around the Clock"). 5 p.m. (8 p.m. show is sold out.) $29-$38, $5 student discount. Sanders Theatre, 45 Quincy St., Cambridge. 617-496-2222. www.boxoffice.harvard.edu