London (AFP) – Rishi Sunak looked set for at least several years in the political wilderness after helping topple ex-prime minister Boris Johnson but then losing to Liz Truss in the summer’s Conservative leadership contest. But her dramatic political implosion after just 44 days in office has provided an almost immediate opportunity for the Tory MP to make a renewed bid to become Britain’s first prime minister of colour. It would be a historic landmark if the Hindu descendant of immigrants from Britain’s old empire in India and East Africa were to take command of the world’s fifth largest econ…