Cameron promises British vote on EU exit
British businesses have welcomed Prime Minister David Cameron's decision to put the country's European Union membership to the vote.
We hear from businesses in the UK and Germany what's at stake for the British economy - and the rest of the EU.
Plus - the view from Washington: Is it better for the US if Britain is in or out of the EU?
And we go to Davos, where the sun - if not the world economy - shines on business leaders.
(Image: British Prime Minister David Cameron delivers his long-awaited speech on the UK's relationship with the EU on January 23, 2013. Credit: Getty images)