Carson replied that he liked to hang on to a job, not bounce around like Rickles.
Rickles: The man was sweet, but oh that on-stage bite →
"I think the reason that (my act) caught on and gave me a wonderful career is that I was never mean-spirited," he once said. "Not that you had to like it, but you had to be under a rock somewhere not to get it."
Don Rickles, king of insult comedy, dies at 90 →