Some people spend an entire lifetime wondering if they've made a difference.
The Marines don't have that problem. The U.S. Marines have been called on to take a lot of hills over the years. Now they're fighting to keep one. The enemy is a five-story, modernistic Air Force memorial planned for Iwo Jima Park. Located across the Potomac River from Washington, the park is home to the Marine Corps War Memorial, which depicts Marines raising the American flag.