Germany heads to the polls in just over two weeks, and the country's economic challenges are an overriding election theme. Live from Frankfurt, Bloomberg's Tom Mackenzie speak to some of the country's most powerful business voices to find out what's needed to get Europe's biggest economy back on track. Guests: Thomas Schulz, Bilfinger CEO; Bettina Orlopp, Commerzbank CEO; Markus Krebber, RWE CEO