
Computer technicians battling to contain a complex virus last month resorted to the ultimate firewall measures — cutting off Internet links to Iran's Oil Ministry, rigs and the hub for nearly all the country's crude exports.

The United States and Britain on Sunday urged Israel not to attack Iran's nuclear program as the White House's national security adviser arrived in the region, reflecting growing international jitters that the Israelis are poised to strike.
Iran has halted oil shipments to Britain and France, the Oil Ministry said Sunday, in an apparent pre-emptive blow against the European Union after the bloc imposed sanctions on Iran's crucial fuel exports.

Britain could send extra military assets to the Strait of Hormuz to deter any attempt by Iran to block Persian Gulf oil tanker traffic, the country's defense secretary said Tuesday, as Tehran accused the European Union of trying to create tension with a ban on the purchase of its oil.
Here's a gag that used to circulate in the days of the Soviet Union and communist central economic "planning":