Tensions in the Strait of Hormuz are at a more than 20-year high after Iranian authorities threatened to close the 34-mile-wide channel through which more than one-third of the world's oil tanker traffic passes.

Not many people noticed during the run up to the Iowa caucuses and last year's payroll tax fight that a far more important, and potentially game-changing, resolution passed the Senate at the end of 2011.

In his meetings today with President Barack Obama, British prime minister David Cameron must condemn Lockerbie bomber al-Megrahi's release, agree to meet families of the Pan Am 103 victims, and promise full cooperation with the Senate investigation.

A review of Anglo-Iranian Relations since 1800, edited by Vanessa Martin.

Tom Friedman wishes America could be more like China. Specifically, he wishes we could adopt their authoritarian style in pursuit of the so-called green revolution and clean energy.

There are two things the president must do in the coming days to increase public confidence in his administration's response to this crisis.

It has become a cliché to suggest that sanctions are not the silver bullet to shut down Iran's nuclear weapons programs. Part of the problem has been the "too little, too late" nature of almost every effort at sanctions.

While BP should be legally liable for the damages stemming from the Gulf oil spill, the punishment for BP should come through due process, not the show trials being pursued by the president and Congress.