It's hard to imagine childhood without the classic cartoon characters June Foray gave voice to: Little Cindy Lou Who from The Grinch, Granny from the Sylvester and Tweety cartoons, Rocky the Flying Squirrel, Natasha Fatale, Rikki-Tikki-Tavi's villainous cobra. June Foray even provided the voice of the Chatty Cathy doll. Mo talks with Nancy Cartwright (Bart Simpson) and Bob Bergen (Porky Pig) about the woman they call 'the Meryl Streep of voice actors.'