The House Permanent Select Committee on Intelligence is ramping up investigation into former President Barack Obama administration’s campaign to “unmask” President Donald Trump aides who were incidentally surveilled in meetings with foreign officials, The Daily Caller News Foundation Investigative Group has learned. The committee is also intensifying a probe into Fusion GPS, a private “opposition research” company that distributed a salacious memo on Trump, called the “Trump Dossier.” Over the next two weeks the House committee is expected to privately interview former U.N. Ambassador Samantha Power, who reportedly asked to unmask or identify Americans on as many as 260 occasions,...