It's a hit or miss really.I know for a fact they mingle with the crowd before hand.When Carson was still in NYC I saw him and he mingled with the guests.However ( This is the bad news) They do not allow any photos of any kind.So if you meet them at the show don't expect a photo.I got yelled at once for taking a photo ( Something to do with copyright laws or something) They might or might not sign autographs.Totally depends on the time.Usually if you are up front you have a better shot but if you aren't going to the taping I am not sure what to tell you. You might ( emphasis on might) stand outside the NBC studios and try to catch him on the way in or out.Again total hit or miss.I met Conan once and that was pure luck.Don't get your hopes up. With Graphing it's always,always a gamble. Sometimes you are lucky sometimes you aren't.That is why you cannot get your hopes up.Not saying it isn't possible or anything.......

Aren't tickets to the tapings free? I would try to get my hands on some tickets. Im pretty sure that most late night hosts mingle with the audience during breaks (I know Letterman does and Leno used to).

Good Luck!

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