By Andreas Rinke and Emma-Victoria Farr BERLIN/FRANKFURT (Reuters) – Siemens Energy supervisory board chairman Joe Kaeser has warned of a resurgence of right-wing extremism in Germany, as the country enters a second week of nationwide protests against the Alternative for Germany (AfD) party. “If everything is true as reported, then that is absolutely disgusting,” said Kaeser, also chairman of the supervisory board of Daimler Truck, in an interview with Reuters published on Saturday, in reference to reports of a meeting of right-wing extremists in Potsdam. At the meeting, migration policy inclu…