US president exaggerates optimism regarding his nomination of Kevin Warsh to the US central bank and says he regrets choosing Powell in his first term

US President Donald Trump said today that his choice to lead the Federal Reserve could boost US economic growth to a rate of 15%. In an interview with Fox Business, Trump said Warsh was the "runner-up" in his last search and that it was a big mistake to choose Jerome Powell to chair the Fed in his first term. If Warsh "does the job he’s capable of," then "we can grow 15%, and I…