China is on course to becoming a superpower – but not in the way many expect, writes economist Martin Jacques. Beijing these days is positively throbbing with debate. It may not have the trappings of a western-style democracy, but it is now home to the most important and interesting discussions in the world.

Eurozone crisis explained: Worries are increasing that Spain may become the fourth eurozone country to require a full bailout.It has already asked for help with its banks – its main problem – and will receive up to 100bn euros ($125bn; £80bn) to be targeted at its financial sector.