"How about a little fireball, Scarecrow?" That's all I could think of last night at the famed Capriccio restaurant in Providence as a tuxedoed waiter stood behind me and demonstrated what the fine art of flambe is all about. Flames shot at least three feet in the air and, for a quick minute, I wasn't sure whether to scampi or scamper. But flambe is a specialty of the house at Capriccio and last night was no exception. The restaurant itself is carved out of the cellars of a registered landmark building near the popular Riverwalk in Providence. It's a great place to spend time with your family, as I did, or take an Old Flame. To quote my sister, "This place it hot ...!"