I was using our Craftsman radial saw today to cut up boards as part of my project of replacing the deck stairs. After cutting a board, I let go of the trigger and let the saw back up. Instead of stopping, it continued running. I reached over to jiggle the trigger in case it was stuck, but the saw continued running and started pouring out white smoke out of the motor. I then very quickly reached over to the power cord and unplugged it, at which point the madness ended. Any thoughts on what could have caused this?

EDIT: This is not a radial saw, it is a compound miter saw.

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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes

1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod

2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die."