wASHINGTON, July 13 -- US senator Lindsey Graham, the foreign policy hawk who changed from a Donald Trump sceptic to one of the US president's strongest allies, died on Saturday. He was 71. The cause of death was "a brief and sudden illness", his office said. He was in Ukraine on Friday before returning to Washington. Emergency personnel responded to a call for "cardiac arrest" at Graham's Capitol Hill home. Graham was "one of the greatest people and Senators I have ever known," Trump said.P9...