President Trump called on Attorney General Jeff Sessions to investigate the New York Times Friday afternoon in order to find out which "senior administration official" wrote an anonymous op-ed published in the paper earlier this week. Trump is arguing it is essential to U.S. national security to find out who the author is. "It’s a disgrace that somebody can do that. I think it’s more disgraceful that the New York Times would do it. That somebody is allowed to do that is very sad commentary," Trump said onboard Air Force One. "It doesn’t seem to be anybody very high up...