U.S. President Donald Trump's senior advisor and son-in-law, Jared Kushner, is due to attend an annual economic conference in Riyadh hosted by Saudi Crown Prince Mohammed bin Salman, U.S. media reported Friday. Kushner will likely attend the Future Investment Initiative, known as Davos in the Desert, in late October, according to The Washington Post. The newspaper cited a list of attendees to the conference at the Ritz-Carlton in the Saudi ...