 WNBA Mystics lose to Phoenix 96-87. Mercury retake the lead for good when they close the third quarter with a 13-0 run. Women's soccer, U.S. Olympic team plays to a scoreless draw with Costa Rica at Audi Field in their final tune-up for Paris. Meanwhile, D.C. United defender Stephen Birnbaum announces his retirement after 11 years with the MLS club. Dave Preston, WTOP Sports. Coming up, rivals unite behind former President Trump at the Republican National Convention. Traffic and weather in 60 seconds.