"Try Harder" is a new documentary shedding light on students from San Francisco's Lowell High School as individuals with their own dreams and challenges. It's a New York Times Critics Pick and has won awards at numerous film festivals after premiering at Sundance. The San Francisco Examiner calls it "engaging, enlightening and sometimes alarming." Director and producer Debbie Lum joined ABC7 News anchor Kristen Sze on the 3p.m. newscast "Getting Answers" along with Hudson Liao, from the group "A