Nine caucuses and five presidents? Writing for Channel 4 News, journalist Tawanda Kanhema tracks the US presidential caucuses alongside Zimbabwe's treacherous path to democracy.

Channel 4 News's US politics commentator Felicity Spector gives her reaction to the first major debate between the Republican presidential contenders.

At the recent US midterms voters in Oklahoma were given the choice to ban Sharia law from being considered in courts. Sarah Smith asks why it was a controversial question.

The midterms are barely over and already the race for 2012 has begun.

The US midterm election results suggest Americans think Obama has got it wrong on the economy. But what does that mean for Britain, David Cameron and our own economic recovery, Gaby Hinsliff asks.

The Democrats have suffered a defeat in the US midterm elections, but as Richard Wolffe writes for Channel 4 News there is not much to celebrate for the Republican Tea Party either.

With the US apparently heading for political gridlock, the attention of the financial markets turns to an anticipated mega injection of cash by the US Federal Reserve, writes Neil MacDonald.