DONALD Trump and Theresa May have vowed to make the special relationship between Britain and the US “stronger than ever”, Britain’s ambassador to Washington has revealed. The President-elect and second British female Prime Minister have agreed over a series of phone calls to build on the legacy that President Reagan and Prime Minister Thatcher forged. Sir Kim Darroch, praised the billionaire’s “historic and impressive” victory that was “like no other in history” and called leaders to embrace the future that lies ahead.