The Greek election in June 2012 has saved Europe from economic and financial meltdown - for now. No-one in Europe believes the combined currency, banking and sovereign debt trauma is over. And right across the continent, politicians are struggling to answer a simple question: how does Europe find a way back to sustainable economic growth?Stephen Sackur talks to Labour's business spokesman Chuka Umunna. He says active government can revive and reshape capitalism. Are business leaders or the public ready to believe him?(Image: Shadow Business Secretary Chuka Umunna (left) with Labour Party leader Ed Miliband. Credit: Chris Radburn / PA Wire)