in world history. this is the invasion of hitler s europe, the zero hour of the second front. the men of general dwight eisenhower are leaving their landing barges, fighting their way up the beaches into the fortress of nazi europe. they re moving in from the sea to attack the enemy under a mammoth cloud of fighter planes, under screaming shells from allied warships. that was robert st. john, and the place from which robert st. john was breaking the news to the nation, weirdly enough, is our newsroom today where we work at the show every day. 70 years ago, the main nbc newsroom was on the fourth floor. here was what was then the front door, marked news and special events, where they collected and processed information from across the world, like you heard those foreign broadcasts that they couldn t confirm. news wires and telegrams and rad radiograms, the studios were right next to it and that s where they told the world history had taken a 90-degree