Savannah Guthrie pleads for help in mother's disappearance

Savannah Guthrie, host of NBC's "Today," made a desperate public plea on Saturday for anyone with information about her 84-year-old mother's disappearance, six months after Nancy Guthrie vanished from her home near Tucson, Arizona. Authorities have released two ransom notes, one saying she died and "is buried in nature now." No arrests have been made, and the FBI is still investigating the notes' legitimacy.