Anderson Cooper Found Gloria Vanderbilt's Love Letters From Frank Sinatra

While going through his mother's effects after she passed, Anderson Cooper found stacks of letters from her one-time fling Frank Sinatra. Read more stories about Anderson's mom in his book, "Vanderbilt," and check out his new podcast, "All There Is," available now. #Colbert #AllThereIsPodcast #AndersonCooper Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late Show": http://bit.ly/1Puei40 Listen to "The Late Show Pod Show" podcast: https://link.chtbl.com/Awagtx95?sid=yt Like "The Late Show" on Facebook: http://on.fb.me/1df139Y Follow "The Late Show" on Twitter: http://bit.ly/1dMzZzG Follow "The Late Show" on Instagram: http://bit.ly/29wfREj Watch The Late Show with Stephen Colbert weeknights at 11:35 PM ET/10:35 PM CT. Only on CBS. --- The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via Paramount+, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.