“Every American is masked. The intelligence agencies are bound by law to mask all American citizens that get picked up in foreign collection. What has to happen, if you want to find out who the American is—there’s a process and procedure in place for that. It’s actually very uncommon in most cases, and seldom happens. But the concern I have had, that I expressed publicly, quite publicly, actually, a couple months ago, was that it became excessive. That Obama administration officials were unmasking people in the Trump transition, and it made me quite uncomfortable.” Nunes explained why the subpoenas were...