TUCSON, Ariz. (AP) — Authorities investigating the apparent kidnapping of Nancy Guthrie returned to her Arizona neighborhood several times over the weekend, ahead of a Monday evening deadline set by her purported abductors who sent ransom notes demanding money for her return. The investigation into what happened to the mother of “Today” show host Savannah Guthrie entered a second week with still no word on whether the 84-year-old is still alive. Savannah Guthrie said over the weekend that