By Josh O’Brien Mercedes chief Toto Wolff U-turned on his original stance and actually will be present for the Japanese Grand Prix on Sunday. Initially, the Austrian had planned to skip the event and instead take charge of the team’s operations from home, as is the plan for several other races over the course of this 24-race Formula 1 season. However, in the face of what has been a dimsal start to the campaign for Mercedes, Wolff now will be in the Suzuka paddock. Mercedes are in such dire straits, Wolff clearly feels his presence could help turn things around. Explaining the change of heart, …