July 7, 2010 6:12 pm Relief From the Heat Tom Sherwood reports that some fountains in town are fair game for cooling off. But a dip in some fountains is a sign of disrespect. Local 3:35 ‘Tragic': DC mayor speaks on shootings that killed toddler, wounded teen 2:49 George Washington U. protesters dig in after school president calls encampment ‘unlawful' 1:56 Dunbar students return to school after student shot through window 1:27 1 dead, 4 hurt in Suitland crash 3:27 How the pulley system helps first responders make rescues