US President Donald Trump was forced to cancel his attendance on Saturday at a commemoration in France for US soldiers and marines killed in World War I because rain made it impossible to arrange transport. “[The attendance of the president and first lady] has been canceled due to scheduling and logistical difficulties caused by the weather,” the White House said according to Reuters, adding that Chief of Staff John Kelly, who is a former general, went instead. While the president was scheduled to attend the ceremony at the Aisne-Marne American Cemetery in Belleau, rain and low clouds prevented his helicopter...