Hoda Kotb, left, and Savannah Guthrie while hosting the Rockefeller Center Christmas tree lighting on NBC, in New York, Nov. 29, 2017. Kotb, a longtime NBC News correspondent, will permanently replace Matt Lauer as co-anchor of NBC’s flagship morning program, “Today,” the network said on Jan. 2, 2018. (Hiroko Masuike/The New York Times)