Thomas Friedman on the "one general left standing" in Trump administration
New York Times columnist Thomas Friedman, author of "Thank You for Being Late: An Optimist's Guide to Thriving in the Age of Accelerations," joins "CBS This Morning" to discuss his latest column, "General Mattis, Stand Up to Trump or He'll Drag You Down." His book, which describes how the forces of technology, globalization and climate change are shaping the world today, is available on paperback.