Three of the nation’s intelligence agencies received subpoenas Wednesday afternoon issued by the House Intelligence Committee, Fox News has confirmed, with each of the three demands for documents explicitly naming three top officials of the Obama administration: Susan Rice, who served as President Obama’s White House national security adviser; former CIA Director John Brennan; and former U.N. ambassador Samantha Power. The three subpoenas, among a total of seven signed by panel chairman Rep. Devin Nunes (R-CA), were served on the Federal Bureau of Investigation, the Central Intelligence Agency, and the National Security Agency, and all three explicitly referenced “unmasking” –...