The real challenge for a vegan is getting vitamin B and omega-3s, but you can get those in a vegetarian supplement.
I think that George Lucas' 'Star Wars' films are fantastic. What he's done, which I admire, is he has taken all the money and profit from those films and poured it into developing digital sound and surround sound, which we are using today.
A couple of years I taught in graduate programs at NYU and Columbia, in the early eighties.