Mayor Rahm Emanuel on Tuesday announced he has dismissed Chicago police Superintendent Garry McCarthy, citing a lack of public trust in the police leadership in the wake of the high-profile shooting that eventually led to a white officer being charged with first-degree murder in the death of a black teen shot 16 times in a Southwest Side street last year. "Superintendent McCarthy knows that a police officer is only as effective as when he has the trust of those he serves," Emanuel said at a City Hall news conference where he appointed a task force to look at police accountability....