Tear gas still hung in the air as Albany Park neighbors and elected officials hugged and cried, processing the scene they had just witnessed Sunday afternoon after at least four vehicles full of federal agents had taken a man and tear gassed their neighborhood as residents responded. A man spoke to Chicago police officers in the 3200 block of West Wilson while his hands bled after being shoved to the ground by federal agents. Ald. Rossana Rodriguez-Sanchez (33rd) led the crowd of rapid responders, some on bikes and others with dogs, as she sprinted toward each call with state Sen....