U.S. Army Corps of Engineers Brigadier General William Hannan is leading Task Force Phoenix in the crucial first step of rebuilding L.A. after the fires: removing 4.5 MILLION tons of ash and debris. This is a part of a coordinated effort involving Los Angeles County, CalOES, FEMA, and we talk with Brig. General Hannan about the intricacies of how this humongous, important project is coming together.