From a tipster:

I was listening to 106.7 this morning and Chris Matthews was doing his 1,000th interview for his book, and he brought up his (alleged) drinking problem again. He said he hasn’t touched a drink in 13 years, which I know to be false because I’ve personally seen him drinking on several recent occassions, and definitely acting drunk afterwards. Why does he keep saying that? Is it just to make his wife happy, or is he in as much denial as Larry Craig?