Jared Kushner has defended his business dealings with Saudi Arabia and its Crown Prince Mohammed bin Salman.Jared Kushner, Donald Trump’s former White House adviser and his son-in-law, defended on Tuesday his business dealings after leaving government with the Saudi crown prince who was implicated in the 2018 killing of Washington Post columnist Jamal Khashoggi.Speaking on Tuesday at a Miami summit organised by US news outlet Axios, Mr Kushner dismissed any suggestion that the Saudi investment into his firm was unethical.