Trump reacts to NBC host Savannah Guthrie's mother Nancy's mysterious abduction

President Donald Trump vowed on Tuesday to personally call NBC "Today" co-host Savannah Guthrie and offer additional federal assistance following her mother's apparent abduction in Tuscon, Arizona.

Nancy Guthrie, 84, was last seen at her home at about 9:30 p.m. Saturday, and was reported missing by her family around noon Sunday, according to the Pima County Sheriff's Department.

While officials did not immediately elaborate on the circumstances of her disappearance, they said they...