By Daniel Moxon Jim Ratcliffe will weigh in on Mercedes’ search for Lewis Hamilton’s successor as he mulls over the big decisions to come at Manchester United this summer. The Silver Arrows have the unenviable task of searching for a driver to replace the seven-time Formula 1 champion. Hamilton has decided to leave for rivals Ferrari and will join the Italians next year at the age of 40. Team principal and co-owner Toto Wolff has made it clear he will not be rushing to make a decision on who their next driver will be. It is also clear that he wants to convince Max Verstappen to leave Red Bull,…