This involved whole days alone spent thinking about someone killing him. ‘I started seeing a therapist because of some like quite extreme, weird s**t that was going on in my work life in the end ...

Thirty-five minutes after that, Ratcliffe, the CIA director, wrote, “A good start,” which Waltz followed with a text containing a fist emoji, an American-flag emoji, and a fire emoji.

Researchers in the University at Buffalo School of Management continuously explore and expand the frontiers of business knowledge. That rich mixture of ideas, camaraderie and academic discipline was ...