O'Sullivan, Meghan. "4 Charts Show Why Trump's Saudi Visit Is Different." Bloomberg View, May 19, 2017.
President Donald Trump prides himself on being unpredictable and, thus, no one knows what to expect of his first trip abroad. But when it comes to the first stop, Saudi Arabia, we can be sure it will be very unlike the visits of past US leaders to Riyadh when it comes to one vital topic: oil.