Last night I did something I should have done 20 years ago: went for a ridealong with the Chicago Police Department.  V I Warshawski has a prickly relationship with cops, but intense loyalty to her police officer father, Tony.  The Chicago police have been uniformly generous in their response to my work, even when it hasn't flattered the department, and even when I've gotten my facts wrong.  It's been high time that I learned enough about their job to write about them with deeper...