Here's a link to a Saturday Night Live cast interview with Playboy in 1976. The first excerpt is extremely sad, whether they were being serious or kidding. The second one just shows what a prick Chevy Chase always has been.

Aykroyd: I would lodge a personal protest if I knew anybody was working under the influence. I would refuse to go on camera with him. That's the way I feel about it. It's a matter of breaking the law that's there to legislate physical purity, which is all we have to work with, this body.

Belushi: It's a discipline. It's like Muhammad Ali when he trains for a fight. He's been in this long because of discipline. If we burn ourselves out with drugs or alcohol, we won't have long to go in this business. You can't work with an alcoholic or a drug addict....

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Chase: Yeah. Let me put it this way. The election was so close that that had he (Ford) taken New York, he would have tied the electoral vote. It's the most heinously egotistical thing to say I had anything to do with it, but I think it must have had some influence. I was clearly not a Ford fan. I was, in fact, a Udall man.

Playboy: How about after the convention?

Chase: I supported Carter. Carter was the better man. It's not that Ford isn't a nice fella. It's just that he never gave a shit about people.

Playboy: Why was Ford such a subject for parody? Was he inherently funny?

Chase: Anybody who was so guilty about being President that he kept trying to kill himself was inherently funny. It was the guilt that kept him banging his head on helicopter doors.

Playboy: When you hosted the Radio and Television Correspondents' banquet in Washington, the one that Ford also attended, what did your act consist of?

Chase: I just did Ford. I was him. I was invited to be the host. I marched in with the President to Hail to the Chief and sat on the dais between the secretary of the Navy or somebody and the President. I was a little nervous because I didn't exactly know what I was going to do, except that I was going to stumble a lot, walk into the podium and do my terrible impression of Ford. I took John and Dan down as my Secret Service escort--mostly so they could have the experience and wear dark glasses. John, at that time, could still walk.