Q&A: World Economic Forum Davos 2012

Image caption, The Swiss ski resort prepares for the annual influx of political and business leaders

Once again the rich and powerful are congregating in Davos in the Swiss mountains for the annual meeting of the World Economic Forum (WEF) - but does the forum still have a purpose?

Image caption, World leaders mingle with top bosses at the forum

Image caption, There's more to Davos than just the winter sports on offer

Image caption, Germany's Angela Merkel will give this year's keynote speech