They were the unlikeliest of pairs--a handsome crooner and a skinny monkey, an Italian from Steubenville, Ohio, and a Jew from Newark, N.J.. Before they teamed up, Dean Martin seemed destined for a mediocre career as a nightclub singer, and Jerry Lewis was dressing up as Carmen Miranda and miming records on stage. But the moment they got together, something clicked--something miraculous--and audiences saw it at once.