Southwest Airlines implements changes as heat can cause soda cans to explode on flights
During the last two summers, intense heat in parts of the country has caused beer, seltzer and soda cans to explode on Southwest Airlines flights. In an effort to address the bursting can issue, the airline bought 60 new refrigerated provisioning trucks for Phoenix and Las Vegas, their two hottest hubs. CBS News' Kris Van Cleave reports.