Federal Reserve Chair Jerome Powell says he will keep serving as head of the central bank if his nominated successor, Kevin Warsh, is not confirmed by the time his term is up in May, as dictated by the law. Separately, Powell said he will not leave his Board of Governors position, which technically extends until early 2028, until the Department of Justice investigation of him is “well and truly over with transparency and finality.” Powell said during his Wednesday press conference that he would serve as “chair pro tem” if Warsh, President Donald Trump’s pick to take over the role,...