For many Americans, December 7th is a milestone date in the course of American history because it marks the formal entry of the United States into World War II. With more than 2,300 sailors killed in action, eight battleships sunk or damaged, and over 100 planes destroyed, the attack left the United States Navy severely crippled. This was not an isolated act of aggression. It was flashpoint at the end of a decade of worsening relations between the...