Well, this just delightful: As Max Greenfield revealed to Stephen Colbert Monday night, thanks to a bout of newborn-induced insomnia, he can’t stop doing impressions of John Travolta’s … let’s say, “mannered†performance in The People v. O.J. Simpson on set. Yes, that’s right: It’s Greenfield doing Schmidt doing Travolta doing Shapiro — the elusive triple impression! We give this performance two tanned, waxy foreheads up.