The risk of a heart attack. Nightly news begins right now. From nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening. President trump still looking to justify his thus far unproven and widely rejected claim that his campaign was spied on by president obama today gave oxygen to the newest white house claim. That British Intelligence was in on the alleged surveillance plot. It happened during what was already a potentially delicate meeting between the president and german chancellor angela merkel. Meantime tonight, another major u. S. Ally, the british government, is simmering over the allegation. Nbcs Peter Alexander has details. I think it was reporter tonight confronted by a european reporter for his wiretap allegation against president obama, a defiant President Trump taking a new shot at his predecessor. As far as wiretapping, i guess, by, you know, this past administration, at least we have something in common, perhaps. Reporter a swipe a