(June 6th, 2002 -- 11:18 PM EDT //Un-&%$^#@* believable. Despite giving them a hard time now and then I've always resisted the idea that the DC cops were really fundamentally incompetent, that the seeming inscrutability of Chandra Levy's disappearance and murder might simply be the result of ridiculously inept police work. Now I've changed my mind. As you no doubt know, Levy's remains were found recently in an isolated section of DC's Rock Creek park. But a couple days ago a fellow Chandra-phile and I were watching Greta Van Susteren's show when she and a couple guests -- a renowned...