Today on AirTalk, comedian Amber Ruffin stops by to talk about her new musical ‘Bigfoot!’ Also on the show, with a heat wave hitting Southern California this weekend, we look into how heat affects our brains; we chow down on some Vegan Burgers with the general manager of Beelman’s; our FilmWeek critics review the latest releases; Larry Mantle interviews director Yorgos Lanthimos on his new film ‘Kinds of Kindness;’ and more.