Illinois Sen. Mark Kirk climbs Willis Tower stairs - Article Photos 2/3

U.S. Sen. Mark Kirk, right, emerges from the 103rd floor stairwell at Chicago's Willis Tower, Sunday, Nov. 4, 2012, during the RIC SkyRise Chicago event, a fundraiser for the Rehabilitation Institute of Chicago, where Kirk is a patient. On the left is Joanne Smith, M.D., President and CEO of the Rehabilitation Institute of Chicago. Behind Kirk is Michael Klonowski, a physical therapist who is assisting Kirk with his recovery from a stroke. (AP Photo/Teresa Crawford)