LX November 10, 2021 1:03 am An Expert Explains the Crowd Surge Tragedy at Astroworld Gil Fried, a crowd management expert and professor at the University of West Florida, breaks down how things went so wrong with Astroworld. US & World Videos 3:52 Racer in Broad Street Run hopes to raise awareness and help others dealing with addiction 1:34 NBC10 congratulates Brittany and John Sullivan on their wedding 0:41 MLB will reportedly modify uniforms by 2025 after player complaints 4:51 Philly native talks new book and working for the Obama White House 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop