Ok. I misinterpreted it, again. Thanks.
[link|http://archives.cnn.com/2000/HEALTH/diet.fitness/09/11/fitness.stretching.ap/|Experts debate benefits of stretching with exercise]
Apparently they've been looking at this for a while. The one I heard on the radio sounds like it was reporting on a recent study designed to address the issue described in the link above. While looking for the link, I found some saying that stretching actually decresases muscle strength, and that the only pain-relief benefit is to get the brain accustomed to pain signals from the muscle.
