"Humor can often be the most disarming thing and put people in a position where they're questioning things that they might not have otherwise," said Matt McLoughlin, a lanky man with a thick handlebar mustache and a tiny ponytail, as he and a few acquaintances settled at a table in the center of Ceres Cafe in the Board of Trade building. On the night of Wednesday, October 16, Ceres became ground zero (or perhaps one of several ground zeros) for an evening of drinking and alleged romantic indiscretions by Chicago police superintendent Eddie Johnson. He was fired by Mayor Lori...