Olivier Assayas' "Clouds of Sils Maria" is the best, richest, most intellectually stimulating film so far this year, with thrillingly alive performances by the indispensable Juliette Binoche as a legendary actress named Maria Enders and Kristen Stewart as Maria's personal assistant, Valentine (pronounced Valen-teen). Here's a smart person's entertainment that leaves you with a great deal to think and talk about after the lights go up.
