President Donald Trump on Friday nominated former Federal Reserve governor Kevin Warsh to serve as the next chair of the US central bank, a pick investors broadly view as experienced and credible but potentially less dovish than markets had expected. Warsh, who served on the Fed’s Board of Governors from 2006 to 2011 during the global financial crisis, is known as a critic of the central bank’s heavy reliance on forward guidance and its expanded balance sheet, as well as a defender of central bank independe ...