"Today" show co-host Savannah Guthrie and her siblings, Camron and Annie Guthrie, released an emotional video Wednesday night pleading for the return of their mother, Nancy Guthrie, who authorities believe was abducted from her Tucson, Arizona, home over the weekend. Saying that they were aware of reports of a ransom note, Savannah Guthrie said she and her family are "ready to talk." "However, we live in a world where voices and images are easily manipulated. We need to know without a doubt that