July 9, 2012 2:34 pm Mayor: Vacant Buildings a Cancer to Neighborhoods Officials in Chicago are going to start tearing down or boarding up dozens of abandoned buildings they say gang members have moved into. Local 2:38 Met Gala couples over the years: Priyanka Chopra & Nick Jonas & more 2:18 Chicago Forecast: Evening storms to end a summer-like day 2:46 Key evidence led to capture of accused gunman in CPD officer's killing 2:13 Pro-Israel, pro-Palestinian demonstrators rally on University of Chicago campus 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance