What's known about the search for 'Today' host Savannah Guthrie's mother

Nancy Guthrie, the 84-year-old mother of “Today” show host Savannah Guthrie, was reported missing this weekend after she didn’t show up to church Sunday morning near her home in the Tucson, Ariz., area. Here is everything we know about her disappearance: What's the latest on the investigation? Pima County Sheriff Chris Nanos said during a...