ATHENS/LONDON (Reuters) -Greek Prime Minister Kyriakos Mitsotakis said on Wednesday that ties with Britain would not be harmed by the cancellation of a meeting with his British counterpart over the Parthenon marbles. British Prime Minister Rishi Sunak called it off after the Greek premier appeared on the BBC over the weekend and discussed the return of the Sculptures, known in Britain as the Elgin Marbles, from the British museum to Athens. The cancellation prompted an angry response from the Gr