 Scott Gelman, WTOP News. Read more at WTOP.com tonight. It's 8.05. Almost a month after 25 swimmers got sick, health managers in Virginia are closing an investigation into the E. coli outbreak at Lake Anna. WTOP's Mike Murillo reports this comes after a new round of water tests and, of course, just ahead of the July 4th holiday. At Lake Anna. It's been more than 20 days, which is...