July 18, 2016 9:07 am Security on High Alert for RNC Kick Off This weekend’s fatal police ambush in Baton Rouge has placed a renewed focus on security at the Republican National Convention in Cleveland. NBC’s Tracie Potts reports. US & World Videos 4:06 Kelly Clarkson surprises lucky audience member with celebrity gift bag 2:27 Emma Stone dazzles with co-star Joe Alwyn at Cannes Film Festival 3:02 Mia Rubín shares biggest business lessons parents have taught her ahead of debut album release 3:49 Tyra Banks opens up about motherhood and reveals how Jennifer Lopez inspired her 4:40 Whoopi Goldberg defends Harrison Butker amid speech backlash