I.M.

In the 1995 documentary Unzipped, Isaac Mizrahi is a flurry of genius, spouting ideas and stories and impersonations. He’s a fashion designer at the height of his fame, smoking cigarettes and hanging with his pals Linda Evangelista and Christy Turlington. His wonderfully introspective new memoir, I.M., makes clear that Mizrahi is still the same creative…