March 24, 2015 6:45 pm D.C.'s East Capitol Community Anticipating Big Change D.C. Mayor Muriel Bowser and other city officials broke ground on the new Capitol Gateway Marketplace that will bring a Walmart Supercenter along with more than 300 affordable housing units. Local 3:28 Social media and teens' mental health: A psychiatrist weighs in 1:41 DC-area police ramp up traffic enforcement in pedestrian safety campaign 3:05 ‘We need real liberation': George Washington University pro-Palestinian protest enters fifth day 2:17 GW asks to students to move pro-Palestinian demonstration 3:01 “It's 100% different”: Community reflects on emergency curfew at National Harbor