"What do you mean, Willie?" asked Smith intently.
"Well ... maybe he'd run wild. Maybe he'd get desperate and blow something up. I could see him taking a torch to that door and burning anybody that tried to stop him...."
He paused as they hung on his words.
"... but I can't see him quitting!" said Westervelt. "If he was that kind, he never would have gotten back to Terra, would he?"
Smith snapped his fingers and looked around.
"Sure, sure," he said. "I don't know what I was thinking up in my imagination. We've all heard Bob utter a threat now and then, when some bems out in deep space broke his own private law, but no one ever heard him even hint at suicide."
He grinned ruefully, and added, "I should have thought of it myself—I had to review his application and examinations when he came to us."
"Some days," said Parrish, "are just too much. Nobody's fault."
"Then, in that case," said Westervelt, "there was one little thing I noticed."
He told them about the open window. Who would keep a window open with the building air-conditioning operating as perfectly as it did?