Article continues below advertisementComedian John Mulaney delivered a sharp and scathing roast of much-maligned Health and Human Services Secretary Robert F. Kennedy Jr. during the Netflix Is a Joke Festival, specifically targeting his marriage to actress Cheryl Hines.During his set at the Hollywood Bowl for the "Night of Too Many Stars" benefit, Mulaney stated that Kennedy "cheats on [Hines] like a dog," later adding, "Sorry for the pearl clutch here ... sorry to drop that public domain information on the Hollywood Bowl."Mulaney claimed he knows RFK Jr.