Elon Musk and Uber’s CEO Travis Kalanick, Among First Guests on Stephen Colbert’s The Late Show

Filling up the shoes of David Letterman is going to be quite a challenge for the nine-time winner of the Primetime Emmy Awards, but it appears CBS’ producers have prepared quite well for the new format. Stephen Colbert’s first appearance is going to air September 8, and judging by the recently leaked guest list it’s safe to say it’s going to be a long week. It wouldn’t be the first time El…