Authorities believe Savannah Guthrie's mom, Nancy Guthrie, was taken from her home in Arizona and have been investigating her disappearance as a crime.
President Trump told NBC News he didn't know why Director of National Intelligence Tulsi Gabbard was at the search of the Georgia county's elections office.
The nuclear arms pact between the U.S. and Russia expires on Thursday. CBS News' Charlie D'Agata explains the New START Treaty and what the end of it means.
