Oops, that posted before I was ready.
What's weird about this is that, when I was 12, I understood Gallagher as a harmless pot-smoking old hippie. Not just because of his look, but because of his show "Stuck in the 60s," which pretty much endorsed all the peace-and-love-and-dope mantras of the era.
Hell, the theme song even went "My hair is still long/the New Right/is still wrong."
Just look at the cover: http://movies.nytimes.com/movie/19125/Ga…
Do old comedians just go crazy sometimes? It happened to Dennis Miller.