The decision to carry a concealed gun is personal — and it’s a topic that can be pretty uncomfortable to bring up in a city shaken by gun violence. Especially if you’re a Chicago politician. “Do I look like I’m packing?” Ald. Margaret Laurino (39th Ward) quipped before a recent City Council meeting, her eyes widening at the question. WBEZ asked every one of Chicago’s 50 aldermen if they carry a concealed weapon, as part of a project on Chicago violence that looks at who picks up a gun and why.