File - This undated file photo shows the statues of George Washington, Thomas Jefferson, Teddy Roosevelt and Abraham Lincoln at Mount Rushmore in South Dakota.
File - This undated file photo shows the statues of George Washington, Thomas Jefferson, Teddy Roosevelt and Abraham Lincoln at Mount Rushmore in South Dakota. AP archives
File - This undated file photo shows the statues of George Washington, Thomas Jefferson, Teddy Roosevelt and Abraham Lincoln at Mount Rushmore in South Dakota. AP archives