He's slurring a few words, yes, but the speech as a whole is coherent in content - at least by by Democrat standards - though unnecessary and vituperative.
Unfortunately, there is probably no Breathalyzer equipment in the Senate chamber to test him and we can't see if he can walk a straight line on the video. Nor can we get a whiff of his breath.
As for the possibility of intoxication via a substance other than alcohol, you would have to do the appropriate medical tests to check for that.
Does Baucus have a reputation as a big boozer?
“Does Baucus have a reputation as a big boozer?”
I don’t know, as I know little current Capitol Hill gossip.
Thanks for the ping!