Former President Bill Clinton visited Central Intelligence Agency headquarters today to express his gratitude to employees and thank them for their role in protecting the United States against foreign threats. "I think it's critical to meeting the challenges that we face today and the ones we're likely to face tomorrow. I guess that's the most important thing I can say—that I am grateful to all of you for your service here," Mr. Clinton said. Mr. Clinton was also briefed on counterterrorism and regional hotspots by senior analysts at CIA headquarters. He said staffers are "trying to stop the big bad...