800, it premiers july 17th, and that would just happen to coincide with the 17th anniversary of that crash. it has been a long time since the expression nuclear holocaust was part of our collective conscience. those are the days of reagan and gorbachev and the cold war between the united states and shadowy figures who lurked behind the iron curtain. today, though, it s kind of doubtful whether anybody really knows where the nearest fallout shelter is. they probably don t know what a fallout shelter is. just a short while ago, though, president obama was speaking at berlin s historic bradenburg gate and calling on russia to join the united states in minimizing the chance of nuclear war from ever happening. big step in that direction, further reducing each country s nuclear arsenals by a third. famous place, famous faces. jessica yellin traveling with mr. obama, joins us live from berlin. the images are awesome. you can t be at the bradenburg