In what was described as a working visit, Jordan’s King Abdullah II arrived on January 30, 2017, and became the first Arab leader to come to Washington since the inauguration of President Donald Trump. Two crucial regional issues he raised could potentially impact Jordan’s domestic stability: the flow of extremists across his country’s border and the repercussions of moving the US embassy from Tel Aviv to Jerusalem. Here’s my take on the challenges facing Jordan and US policy in the Middle East.