Trump's beef with Jerome Powell centers on interest rates, but he has also started criticizing his management of the renovation of two Fed buildings.

President Donald Trump threatened on Wednesday to fire Federal Reserve Chair Jerome Powell, citing cost overruns in Fed building renovations as a potential cause. While Trump has since played down the idea,

The freewheeling style of Bill Pulte, the head of mortgage giants Fannie Mae and Freddie Mac—and known to some as “Little Trump”—is landing the wrong way with some industry and administration officials.

The Federal Reserve's] hesitancy to cut rates, I think, is actually … quite a mark against them,” former Fed governor Kevin Warsh said.

The White House accuses the Fed chair of potentially "violating the law" in his renovation of the central bank's Washington, D.C., headquarters.