"I don't know, sir."

"We haven't," Burris said with decision. "Can you read my mind?"

"No, sir," Malone said.

"Can I read your mind?"

Malone hesitated. At last he said: "Not that I know of, sir."

"Well, I can't," Burris snapped. "And can any of us read each other's mind?"

Malone shook his head. "No, sir," he said.

Burris nodded. "That's the problem," he said. "That's the case I'm sending you out to crack."

This time, the silence was a long one.

At last, Malone said: "What problem, sir?"