NFL playoffs kick off this weekend with Wildcard round and coach Bill Cowher joins "CBS Mornings" to preview the weekend games.Our lead national correspondent David Begnaud visits a good samaritan that came to the aid of a developmentally disabled man who got caught in the once in a generation blizzard Christmas Eve morning.They say it's never too late to try something new, so CBS News correspondent Vlad Duthiers kicked off 2023 by learning the art of Japanese swordsmanship, a passion he's always wanted to explore. Duthiers learns the history of the samurai sword and what it takes truly master the katana.Academy Award, Emmy and Grammy-winning artist and actor Common joins "CBS Mornings" to discuss his Broadway debut in "Between Riverside and Crazy."See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.