February 17, 2009 3:01 pm “Heroes” Hayden & Milo Split The stars on NBC’s “Heroes” have broken up in real life. Plus, Lindsay Lohan addresses her weight loss. And, Scarlett Johansson is reportedly in talks to be in the “Iron Man” sequel. 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