"Nothing."
I thought for a second, then said: "Is there any known rival agent in any position to sabotage McGuire on Phobos, Mars, or Luna?"
"Several, in each place. But we'll have agents there to keep an eye on them. To be honest with you, Oak, I don't think there's much to worry about. I don't mean you shouldn't keep your eyes open, but—"
"I know what you mean," I said. "Do my own worrying, and don't worry you with it. All right. Meanwhile, if you get anything I can use, call me. And I'll let you know at this end."
"Fair enough. Good luck."
I wished him the same, and cut off.
I had time for one drag off my cigarette and one swallow of beer before the phone chimed. I put my beer down and pushed the switch for the audio only.
"Yes?" I said.
The face that came on the screen was one I'd never seen before. A man about my age, I thought, or maybe a few years older. His skin was tanned—whether by heredity or sunlight was hard to tell; his features were not distinctive enough to be sure. His hair was medium brown and cut rather longer than the crew cut which is common in the Belt.