Reporter's Notebook: A look back at 1939 Nazi rally in New York City

On this day in 1939, 20,000 people attended a Nazi rally at Madison Square Garden. Months earlier, Nazis in Germany had killed nearly 100 Jewish citizens in one night and sent 30,000 more to concentration camps. John Dickerson expounds.

Reporter's Notebook: A look back at 1939 Nazi rally in New York City
On this day in 1939, 20,000 people attended a Nazi rally at Madison Square Garden. Months earlier, Nazis in Germany had killed nearly 100 Jewish citizens in one night and sent 30,000 more to concentration camps. John Dickerson expounds.