Relief that President Donald Trump said he’d tap Kevin Warsh to head the Federal Reserve, rather than someone seen as more willing to ignore inflation and slash interest rates, sent the dollar and short-dated Treasuries rallying. The move ended weeks of speculation in markets about who would replace Jerome Powell, who Trump has attacked repeatedly, and how that would affect markets. The intense pressure on the Fed to lower rates — and a criminal probe into its headquarters renovations revealed earlier thi ...