ARLINGTON HEIGHTS, IL - AUGUST 24:  U.S. Rep. Mark Kirk (R-IL) speaks to constituents during a town hall meeting on on health insurance reform on August 24, 2009 in Arlington Heights, Illinois. Kirk held back-to-back town hall meetings for overflow crowds that gathered in and outside of the Village Hall. Getty Images logo Getty Images 5 months ago

ARLINGTON HEIGHTS, IL - AUGUST 24: U.S. Rep. Mark Kirk (R-IL) speaks to constituents during a town hall meeting on on health insurance reform on August 24, 2009 in Arlington Heights, Illinois. Kirk held back-to-back town hall meetings for overflow crowds that gathered in and outside of the Village Hall.