I can't change the TV channels without seeing the ubiquitous mug of former Montgomery County, Md., police chief-turned-author Charles A. Moose. First, it was "Dateline NBC" with Stone Phillips. The following morning, he chatted up the "Today" show's Matt Lauer. Now, he's hanging out on CNN. Next up on the publicity tour for Moose's new book on the serial sniper investigation: "The Tonight Show" with Jay Leno. I'm sure the victims' families will think it's an absolute riot when Moose and Jay trade jokes about white box trucks and tarot cards. Haw-haw-haw. While Moose yuks it up with Jay, prosecutors...