Episode 42

Matt Gutman is on the scene in Altadena, where a cross-country storm wreaked havoc on the same areas of Southern California devastated by the deadly wildfires, and Lee Goldberg tracks the same system that's heading east over Presidents' Day weekend; as the NTSB continues to investigate the cause of the D.C. collision, Trevor Ault has details on the agency revealed about the Black Hawk helicopter involved in the deadly crash with an American Airlines plane; James Longman has the latest on the condition of Pope Francis, who was admitted into the hospital to undergo "necessary tests" and treatment for his bronchitis, the Vatican said; and more on tonight's broadcast of World News Tonight with David Muir.