March 21, 2012 12:46 pm Inside Obama's Campaign HQ President Obama’s campaign headquarters in Chicago is humming, with more than 300 staffers working phones and election pods. Meanwhile, Republicans are duking it out over who gets to face him in the General Election. Local 1:49 Suspect in murder of fallen CPD officer Luis Huesca taken into custody 0:51 4 Chicago restaurants named among best brunch spots in the US by OpenTable 2:07 A look at top small businesses in Chicago for Small Business Month 2:16 Chicago Sky star Angel Reese speaks on preseason, confidence with NBC Chicago's Mike Berman 2:16 Chicago City Council weighing a change to speed limits on city streets