Sebastian Gorka, an adviser to Donald Trump who has been under pressure over his links to Hungarian far-right groups, is leaving the White House. A senior official said Gorka, a former counterterrorism analyst for Fox News who joined the administration as an adviser, will be leaving the White House in the coming days. The official said that Gorka had initially been hired to sit on the strategic initiatives group, an advisory panel created by Trump’s chief strategist Steve Bannon to run parallel to the national security council. But that group fizzled out in the early months of the administration. Gorka...