Anthony DeCurtis, contributing editor for 'Rolling Stone,' says he sought to write the biography that Lou Reed "deserved." DeCurtis didn't shy away from writing about the darker side of Reed's life, including addiction and domestic abuse. His book is 'Lou Reed: A Life.' Film critic David Edelstein reviews 'Lady Bird.' As the chief official White House photographer for President Obama, Pete Souza estimates took 1.9 million photos over the course of eight years. He talks about some of his most memorable moments with the former president.