There were the risk assessments and policy papers, the interagency working groups. He was the outsider, a scholar with an approval rating but no experience in government. He sat at a table in a secure conference room with the strategic planners and military analysts. He was there to conceptualize, his word, in quotes, to apply overarching ideas and principles to such matters as troop deployment and counterinsurgency. He was cleared to read classified cables and restricted transcripts, he said, and he listened to the chatter of the resident experts, the metaphysicians in the intelligence agencies, the fantasists in the Pentagon.

The third floor of the E ring at the Pentagon. Bulk and swagger, he said.

He'd exchanged all that for space and time. These were things he seemed to absorb through his pores. There were the distances that enfolded every feature of the landscape and there was the force of geologic time, out there somewhere, the string grids of excavators searching for weathered bone.

I keep seeing the words. Heat, space, stillness, distance. They've become visual states of mind. I'm not sure what that means. I keep seeing figures in isolation, I see past physical dimension into the feelings that these words engender, feelings that deepen over time. That's the other word, time.

I drove and looked. He stayed at the house, sitting on the creaky deck in a band of shade, reading. I hiked into palm washes and up unmarked trails, always water, carrying water everywhere, always a hat, wearing a broad-brimmed hat and a neckerchief, and I stood on promontories in punishing sun, stood and looked. The desert was outside my range, it was an alien being, it was science fiction, both saturating and remote, and I had to force myself to believe I was here.

He knew where he was, in his chair, alive to the protoworld, I thought, the seas and reefs of ten million years ago. He closed his eyes, silently divining the nature of later extinctions, grassy plains in picture books for children, a region swarming with happy camels and giant zebras, mastodons, sabertooth tigers.