 Still ahead, a joint investigation by NPR, Texas Public Radio, and the program 1A looks at the deaths of workers in trenches across the country, which experts say were preventable. I'm looking down, and the guys are down there working, and next thing you know, I've seen part of the trench engulf them from the waist down. A look at trench deaths coming up in about 10 minutes here on Little Rock Public Radio. It's 843. Music