When did we get so accepting of speeding on the freeways?

We are a nation of leadfeet and there seems to be no slowing us down. New research from Triple A Foundation finds there's a dangerous thought process when it comes to speeding on the freeways. People seem to think that speed limits are only numbers and they don't have any meaning. Most are OK with thinking that. On today's Ask The Expert, we're joined by Daniel Armbruster from Triple A Texas.