From desegregation at Little Rock to MLK's Selma-to-Montgomery march to the Cuban refugee crisis, these are major moments when U.S. presidents have deployed troops in America.

Few ancient sculptures survive the passage of time unscathed.

The answer depends on how you frame the question.

It wasn’t safe to go back in the water of the Jersey Shore in 1916, as a series of deadly shark attacks forever changed Americans’ attitudes toward the sea creatures.