[jimt]

The obvious answer to the question of why no black actress had previously won an Oscar for Best Actress is that none were deserving of it.

I'd agree if you throw in the caveat "in the opinion of the academy."

The only movie I ever walked out of won best picture in its year.

[L.N. Smithee]

The only movie I ever walked out of won best picture in its year.

Which one? I am guessing American Beauty.