October 19, 2015 5:56 pm Biggest School Bus Danger? Other Drivers Study finds other drivers remain the biggest threat to the safety of students on school buses. NBC’s Chris Clackum reports. US & World Videos 10:42 Multiple people arrested as police clear campus encampments 2:51 Sunny Saturday morning followed by clouds in New England 1:40 Heavy police presence near on-campus protests 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed