When CHICAGO FIRE premiered last year, I watched it without any deep emotional attachment, but somewhere along the way, one of the firemen gets magnesium shavings in his lungs, and I was crying like a baby.  Haven’t missed an episode since.  I watched the CHICAGO P.D. embedded pilot from last season, and found myself in the same boat – no deep emotional attachment.  After watching the first three episodes of the CHICAGO P.D. season, I’m along for the ride, but