Ask a conservative to name the American leader who comes to mind when they think of the Vietnam War, he or she will almost surely cite Lyndon Baines Johnson. Ask a liberal and you may also hear LBJ in response -- but more likely you'll hear Richard Milhous Nixon instead. Long before the left began blaming George W. Bush for everything, Nixon filled that role.

Nearly four decades since it ended, the Vietnam War still has the power to polarize, especially when a major network looks back at a specific event from that tumultuous era. (Video after the jump)