The desperate search for the mother of NBC’s “TODAY” show co-anchor Savannah Guthrie stretched into its second week with mounting questions about what happened to Nancy Guthrie and concerns for her physical health. Guthrie, 84, was reported missing on Feb. 1 from her home in the Catalina Foothills, an unincorporated Arizona community north of Tucson. Authorities have described the case as a possible kidnapping or abduction, and there have been reports of ransom notes. Follow live coverage here.