2020 presidential contender Bernie Sanders faced an aggressive and, at times, outwardly combative audience at the She The People Forum devoted to women of color in Houston on Wednesday, as the self-described democratic socialist struggled to convince attendees of his commitment to minority and underprivileged communities. The tense moments underscored the challenges Sanders' campaign still faces despite its frontrunner status. The 77-year-old Vermont senator, long a champion for progressive causes, has sought to win over voters who turned out in massive numbers to support former President Barack Obama. In a particularly striking moment, host Aimee Allison asked Sanders what he...