Bundy persisted. America's NATO allies would feel betrayed if the U.S. traded missiles, he said.

Defense Secretary Bob McNamara expressed the bewilderment and fear that they all felt. "We had one deal in the letter, now we've got a different one," he said. "How can we negotiate with somebody who changes his deal before we even get a chance to reply?"

No one knew the answer.

*

That Saturday, the royal poinsettia trees in the streets of Havana blossomed with brilliant red flowers like bloodstains on the sky.

Early in the morning Tanya went to the store and grimly laid in provisions for the end of the world: smoked meat, canned milk, processed cheese, a carton of cigarettes, a bottle of rum, and fresh batteries for her flashlight. Although it was daybreak there was a line, but she waited only fifteen minutes, which was nothing to someone accustomed to Moscow queues.

There was a doomsday air in the narrow streets of the old town. Habaneros were no longer waving machetes and singing the national anthem. They were collecting sand in buckets for putting out fires, sticking gummed paper over their windows to minimize flying shards, toting sacks of flour. They had been so foolish as to defy their superpower neighbor, and now they were going to be punished. They should have known better.

Were they right? Was war unavoidable now? Tanya felt sure no world leader really wanted it, not even Castro, who was beginning to sound borderline crazy. But it could happen anyway. She thought gloomily of the events of 1914. No one had wanted war then. But the Austrian emperor had seen Serbian independence as a threat, in the same way that Kennedy saw Cuban independence as a threat. And once Austria declared war on Serbia the dominoes fell with deadly inevitability until half the planet was involved in a conflict more cruel and bloody than any the world had previously known. But surely that could be avoided this time?

She thought of Vasili Yenkov, in a prison camp in Siberia. Ironically, he might have a chance of surviving a nuclear war. His punishment might save his life. She hoped so.

When she got back to her apartment she turned on the radio. It was tuned to one of the American stations broadcasting from Florida. The news was that Khrushchev had offered Kennedy a deal. He would withdraw the missiles from Cuba if Kennedy would do the same in Turkey.

She looked at her canned milk with a feeling of overwhelming relief. Maybe she would not need emergency rations after all.

She told herself it was too soon to feel safe. Would Kennedy accept? Would he prove wiser than the ultraconservative Emperor Franz Joseph of Austria?

A car honked outside. She had a long-standing date to fly to the eastern end of Cuba with Paz today to write about a Soviet antiaircraft battery. She had not really expected him to show up, but when she looked out of the window she saw his Buick station wagon at the curb, its wipers struggling to cope with a tropical rainstorm. She picked up her raincoat and bag and went out.

"Have you seen what your leader has done?" he asked angrily as soon as she got into the car.

She was surprised by his rage. "You mean the Turkey offer?"

"He didn't even consult us!" Paz pulled a

way, driving too fast along the narrow streets.

Tanya had not even thought about whether the Cuban leaders should be part of the negotiation. Obviously Khrushchev, too, had overlooked the need for this courtesy. The world saw the crisis as a conflict of superpowers, but naturally the Cubans still imagined it was about them. And this faint prospect of a peace deal seemed to them a betrayal.

She needed to calm Paz down, if only to prevent a road accident. "What would you have said, if Khrushchev had asked you?"

"That we will not trade our security for Turkey's!" he said, and banged the steering wheel with the heel of his hand.

Nuclear weapons had not brought security to Cuba, Tanya reflected. They had done the opposite. Cuba's sovereignty was more threatened today than ever. But she decided not to enrage Paz further by pointing this out.

He drove to a military airstrip outside Havana where their plane was waiting, a Yakovlev Yak-16 propeller-driven Soviet light transport aircraft. Tanya looked at it with interest. She had never intended to be a war correspondent but, to avoid appearing ignorant, she had taken pains to learn the stuff men knew, especially how to identify aircraft, tanks, and ships. This was the military modification of the Yak, she saw, with a machine gun mounted in a ball turret on top of the fuselage.

They shared the ten-seat cabin with two majors of the 32nd Guards air fighter regiment, dressed in the loud check shirts and peg-top pants that had been issued in a clumsy attempt to disguise Soviet troops as Cubans.

Takeoff was a little too exciting: it was the rainy season in the Caribbean, and there were gusty winds, too. When they could see the land below, through gaps in the clouds, they glimpsed a collage of brown and green patches crazed with crooked yellow lines of dirt road. The little plane was tossed around in a storm for two hours. Then the sky cleared, with the rapidity characteristic of tropical weather changes, and they landed smoothly near the town of Banes.

They were met by a Red Army colonel called Ivanov who already knew all about Tanya and the article she was writing. He drove them to an antiaircraft base. They arrived at ten A.M., Cuban time.

The site was laid out as a six-pointed star, with the command post in the center and the launchers at the points. Beside each launcher stood a transporter trailer bearing a single surface-to-air missile. The troops looked miserable in their waterlogged trenches. Inside the command post, officers stared intently at green radar screens that beeped monotonously.

Ivanov introduced them to the major in command of the battery. He was obviously tense. No doubt he would have preferred not to have visiting VIPs on a day such as this.

A few minutes after they arrived, a foreign aircraft was sighted at high altitude entering Cuban airspace two hundred miles west. It was given the tag Target No. 33.

Everyone was speaking Russian, so Tanya had to translate for Paz. "It must be a U-2 spy plane," he said. "Nothing else flies that high."

Tanya was suspicious. "Is this a drill?" she asked Ivanov.