All the news that's fit to be requested By LEONARD PITTS JR. lpitts@herald.com Dear Colleagues: Have you had enough bad news? I don't mean the bad news we report. No, I'm talking about the bad news that is reported to us, the steady diet of doom and/or gloom that goes with working for a daily newspaper these days. I'm talking about reports that, despite all the focus groups we study, all the redesigns we commission, all the shorter stories we write and all the bigger typefaces we employ, newspaper readership is still falling like a boulder from a skyscraper. It's...