Begins now. This is nbc nightly news with Brian Williams reporting from havana. Good evening. Earlier today just 14 hours after the president spoke about in his state of the union, we arrived flew along with Robert Roberta jacobson. When she set foot on cuban soil it changed in its own way a lot of history in just a day. And with the likes of havana harbor in the backdrop for us tonight, its where we begin with our chief Foreign Affairs correspondent Andrea Mitchell covering it all for us. Good evening. Good evening, brian. The cuban people clearly want this to work. But for the president s new opening to become reality, both sides have to overcome decades of mistrust. She is the highest ranking u. S. Diplomat to go to cuba in 38 years, leaving miami for havana this morning. Assistant secretary of state roberta jacobson. Her counterpart, a powerful cuban diplomat josefina duh gal. Took place in a respectful atmosphere. Reporter prompted by the opening president obama celebrated last ni