Full audio: U.S. Senate candidates meet with the Tribune editorial board

In one of the nation's most-watched Senate races, Democratic state Treasurer Alexi Giannoulias, veteran Republican Congressman Mark Kirk, Libertarian candidate Mike Labno and Green Party candidate LeAlan Jones are seeking for the seat once held by Barack Obama. Hear their meeting with the Tribune editorial board. (Long session, about 90 minutes. May take a while to play or download.)

October 4, 2010