Denis Leary Admits He Doesn't Post His Own Tweets 1.29K John Trowbridge 01/13/11 10:00AM Filed to: Conan Conan Denis Leary TV Video So, Denis Leary doesn't actually post his tweets. Conan doesn't either but he has an excuse. Dennis proves how old he is by accidentally saying that he doesn't know how to get his tweets from his typewriter to the internet.[There was a video here]