Spectacular ride. Also, tonight, why millions of you are about to see more money in the mail. From nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening to our viewers in the west. Thank you for being here. In a flurry of announcements and signings over the last 24 hours, President Trump has taken dramatic steps to unravel two major obama era initiatives. The president making his most aggressive move yet to pull the legs out from under obamacare. The white house, in a latenight statement, announcing an end to subsidy payments to insurers. The president taking matters into his own hands after congress failure to repeal and replace the law, one of mr. Trumps Signature Campaign promises. And also today the president took a big step toward abandoning the Iran Nuclear Deal. More on that in just a moment. But first, to the big news that could affect healthcare for millions. Our Kristen Welker has details. Reporter the move could be a dagger to obama