Billionaire businessman, Elon Musk, has called for the resignation of the Director of the United States Secret Service, Kimberly Cheatle, following the assassination attempt on former president and Republican Party candidate, Donald Trump. DAILY POST reports that two people died after gunshots were fired at Trump’s rally in Pennsylvania on Saturday – with the injured former president rushed off stage by security staff, according to the Associated Press. Despite the Secret Service neutralising the shooter, Musk demanded the resignation of the head of the service and the leader of Trump’s securi…