Savannah Guthrie makes an emotional plea to her mother's kidnappers

"Today" show host Savannah Guthrie says in a new video that her family is living an unending nightmare nearly six months after her mother's disappearance and pleads with her kidnappers: "Tell us where to look for her." The video released Monday is the latest public plea from the journalist about 84-year-old Nancy Guthrie since her disappearance on Feb. 1 from her home just outside Tucson, Arizona. Savannah Guthrie said her family will never stop looking for her. "The world can be a cruel and unf