 Janet Shamlian with CBS News reporting there. For the second time in a couple of weeks here, the fourth time in a couple of years, the first official swim event in the Anacostia River has been called off. This time because of Tropical Depression Beryl, which is threatening our region with storms this weekend. Organizers tell the Washington Post that thunderstorms predicted at the end of this week prompted Saturday's swim to be postponed. The first dip in the Anacostia River in more than half a century was originally set for late June. It was scrapped because of high levels of E. coli.