Kim Kardashian West is just one of the special guests appearing on former late night host David Letterman's third season of his Netflix talk show.But judging by the trailer, things get emotional for the famously composed star.For the third season of My Next Guest Needs No Introduction with David Letterman, a this-is-your-life type of interview show - whose previous guests have included Barack Obama, George Clooney, Tiffany Haddish and Tina Fey - the SKIMs founder is the focus of one episode.Also