Leonard Pitts: Let’s talk Chicago

This is for the people who keep asking me about Chicago.Other cities too, sometimes, but it is mostly the City of the Big Shoulders, with its spiraling murder rate, that sends many of you rushing to your keyboards. Why are black people so exercised about police killings of unarmed African Americans, you demand, but not about so-called “Black on Black crime” in the core of our cities? In response, let me just say this for the record:We are exercised about it all.It is galling for thos