A corporate debt of €60 billion has apparently broken Altice Group, the billionaire-backed European operator that tried to break America and failed. The slow-drip exodus has seen numerous executives depart, and the official corruption investigation in Portugal has been the first domino – a cautionary tale for operators that might not have as tight a grip on the reins as they should. It also demonstrates how the culture of debt-financing can quickly go off the rails. Altice Group has been forced to sell off assets to keep the bailiffs at bay, and rumors have swirled on this front for months – including assets held outside of Altice Group, by Patrick Drahi himself, with a stake in the Sotheby’s auction house…