Today on AirTalk, comedian Amber Ruffin stops by to talk about her new musical \u2018Bigfoot!\u2019 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\u2019s; our FilmWeek critics review the latest releases; Larry Mantle interviews director Yorgos Lanthimos on his new film \u2018Kinds of Kindness;\u2019 and more.