KMOX Travel Expert Peter Greenberg joins Megan Lynch. He points out that on 9/11, the TSA and Department of Homeland Security didn't even exist, two agencies started after the terrorist attacks. He will highlight changes in travel since that day on his show this weekend on KMOS. 'We're going back 25 years,' to remember how air travel happened on September 11, 2001 he tells Megan Lynch.
