Science Researchers Ferret Out Information From White House Visitor Logs 8:09am June 06, 2017 by Shankar Vedantam Research News Science Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2017 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More Morning Edition Politics & Government Groups that register voters are feeling besieged by new state laws Music & Culture New concert documentary has behind-the-scenes look at Spingsteen's latest tour 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate