Trump and other White House figures have launched a multi-pronged attack on Powell as push the central bank to lower is key borrowing rate. Most recently, they have blasted Powell after renovations to the Fed's Washington headquarters, raising suspicion that Trump could try to remove the Fed leader for cause.

When NATO Secretary General Mark Rutte visited the White House on Monday, he was greeted not only by President Donald Trump but also by the striking sight of a fully gilded Oval Office.