Kai Ryssdal talks to Kim Zetter about her book.

As part of a deal with world powers, Iran says it has begun suspending its nuclear program.

International firms are now making calculations about whether to do business in Iran.

Europe's automotive industry and others may benefit from lifted sanctions on Iran.

Resumption of exports from Libya, rising U.S. stockpiles, and the Iran talks are driving down oil prices.

The economic sanctions against Iran could be eased or toughened quite quickly.

An investigative report into the assets of Ayatollah Khamenei of Iran suggests shady dealings and land thefts.

Secretary of State John Kerry and others are discussing lifting some sanctions against Iran.

On his way back from Israel, Secretary of State John Kerry is stopping in Geneva for negotiations with Iran. At issue are Iran's nuclear program and economic sanctions.

U.S. and Iran relations could be summed up in one sentence: You scratch my back, I'll scratch yours.