text:  Lee Isaac Chung directed his new film Twisters on location in Oklahoma and used local extras on set, folks who know what it's like to face a tornado. We asked, how many of you all, because these were all background actors that were from the area, have been in an experience like this? And all of them raised their hands. Twisters, the monsters menacing the heartland and your local movie theater. On all things considered, from NPR News.