 Cheyenne Crenn, WTOP News. 6.06, another news this evening. People will be swimming in the Anacostia River tomorrow. Yes, it's clean enough to do that now. And if swimming there is to be more than just an annual event, what would it take? A local environmental group applauds the fact that the river has become increasingly less polluted over the years, but does have some suggestions. WTOP's Kate Ryan reports.