December 28, 2009 8:00 am Astronaut Beams Down to Studio 5 Dr. Robert Satcher answers the tough questions about aging in space and going to the bathroom high-above the Earth. Local 1:42 Warrant issued for suspect in murder of Chicago police officer 2:15 Politicians, season ticketholders skeptical on Bears' plans for new stadium 2:09 Former Foxtrot, Dom's employees protest after abrupt closures 3:26 Friday morning weather 0:32 Man shot and killed in ‘exchange of gunfire' with police in Valparaiso identified