Thomas Friedman weighs in on news from the Trump transition and President Obama's final press conference of the year. A discussion about President Obama's final press conference of 2016 with John Dickerson, host of “Face The Nation.” Mark Shriver introduces his book "Pilgrimage: My Search for the Real Pope Francis." Will Ahmed, founder and C.E.O. of WHOOP, discusses how his company helps athletes track performance and recovery.
