White House deputy chief of staff for operations Joe Hagin is stepping down from that role and exiting the government for the private sector, the White House said Tuesday. Hagin played a central role in organizing President Donald Trump’s recent summit with North Korean ruler Kim Jong-un in Singapore, and prior to serving in the Trump administration was a part of the Regan administration and both Bush administrations. Reports emerged before the Singapore summit that Hagin was looking to leave the White House and become deputy CIA director, rather than leave government entirely. BuzzFeed News noted, however, that the resignation...