Podcast with Dave Rusch and Steve Leventhal ....One of our favorite guests, John Drengenberg of Underwriters Laboratories joins us to discuss power tool safety and tells us about the wide variety of products that UL test, including items that most people don't realize, such as roof shingles. Harry Braun talks about progress, or the lack thereof, in getting off of fossil fuels … [Read more...] about Home Improvement USA – 2/25/15