Last year, I sat in a booth at Original Mike's in Santa Ana and listened to Assistant Sheriff Jo Ann Galisky explain--quite logically, in her mind--that jail deputies in Orange County have never used excessive force because jail deputies always behave. Why? Because, Galisky assured me, deputies are the good guys, and folks in custody are bad guys. The expression on her face revealed a frustration that I didn't buy from her cookie-cutter position. After all, I'd seen gory pictures of what groups