May 8, 2015 1:30 pm Miami-Dade County Public School Teacher Retiring After 50 Years Silver Bluff Elementary students and staff honored second-grade teacher Claudia Lewis, who is retiring after 50 years as an educator. NBC 6’s Julia Bagg reports. US & World Videos 0:53 TRAFFIC ALERT – Heavy traffic on Palmetto Expressway after multi-vehicle crash 1:26 5 people, including teens, shot after school fight in Miami Gardens 2:45 Broward district reviews plans to close or repurpose schools 2:34 Lauderhill launches campaign to stop gun violence 0:20 Video shows boaters dumping trash into the ocean