CNN Anderson Cooper Special Report May 20, 2013 02:41:00
Tree branches but not anything that would be harmful to us or our vehicle. >> all right. lawrence mcewen, thank you very much. he's a storm chaser. chad, he said he's been doing it now for six years, but it's not just getting sucked into it, as i said. there's debris going on. a very dangerous thing to do, but they are doing it because they want research. >> don, you have to make sure you never get on a two track or a dirt road because dirt turns into mud rather quickly, and all of a sudden you think you have an escape route and you have nothing because it's a mud road you can't move on. that ...