Political instability plagues Central Europe as EU referenda loom

Prime Minister Leszek Miller faces an uncertain future as his minority government tries to keep Poland on track for EU membership. The Czech Republic finally has a new president - former PM Vaclav Klaus. But will his self-declared "Euro-realist" vision of the EU go down well in Brussels? And will the country's coalition government survive until then? Austria's far-right Freedom Party is back in power, but already threatening to veto EU enlargement. And have Slovenian archeologists found the oldest wheel in the world?