Today on Cool Tools, host, Chris Grundy, is checking out all kinds of high tech gadgetry. A DeWalt camera that seeks out hot and cold, Craftsman's router with digital readout, a new circ saw with laser guide from Skil, and the ultimate layout tool, c... (more)alled the Cornerstone Classic. Plus, we're heading to the Lincoln Electric factory in Ohio, to check out one innovative welding machine.