Bullying. Body-shaming. Anti-LGBTQ discrimination. Homelessness. Persecution of immigrants. Racism. When 11 Austin fourth- to sixth-grade students took the stage of the Boyd Vance Theatre at the George Washington Carver Museum and Cultural Center on Thursday for the 15th annual Martin Luther King Jr. Oratory Competition, they weren't afraid to tackle the big issues. That's exactly what they were expected to do, said Yvette Crawford, a member of the Austin Area Heritage Council who has coordinated the competition since its inception...