TUCSON, Ariz. (AP) — Authorities in Arizona are searching for the 84-year-old mother of “Today” show host Savannah Guthrie, who was reported missing over the weekend. Pima County Sheriff Chris Nanos said at a news conference Sunday night that Nancy Guthrie was last seen around 9:30 p.m. Saturd ay at her home in the Tucson area. [...] ...read more read less