Two high-level Iranian government backers, including a former Islamic Republic official and another accused of lobbying on Tehran’s behalf, were hosted at the Obama White House for more than 30 meetings with top officials at key junctures in the former administration’s contested diplomacy with Iran, according to White House visitor logs that provide a window into the former administration’s outreach to leading pro-Iran advocates. Seyed Mousavian, a former Iranian diplomat and head of its national security council, was hosted at the White House at least three times, while Trita Parsi, a pro-Iran advocate long accused of hiding his ties to...