A top White House artificial intelligence policy adviser on Saturday said he will leave his position at the end of June, marking the exit of a leading ‌figure helping craft policies for frontier technologies. “This journey has been the privilege of a lifetime,” the adviser, Sriram Krishnan, posted on social media. Krishnan did not give a reason for leaving, but wrote in the post he intends to help “tackle some of the large challenges facing America” related to AI. Krishnan has been involved in..