Was Bell's Theorem proven?
Yes, Here's one proof-bad link. American Journal of Physics 50, 811 - 816 (1982).. Here's a statement made by the professor doing the proof:
Einstein died many years ago, and so is not here to defend himself against claims of what he would or would not do today. Nonetheless, I tend to think that if he were alive today, Bell's theorem would force him to accept Quantum Mechanics.
AUTHOR This document was written in February 1999 by David M. Harrison, Department of Physics, University of Toronto,