As the housing affordability crisis becomes a growing political focus, Kevin Warsh, President Trump’s pick to chair the Federal Reserve, has said he believes the central bank can use its monetary policy powers to help bring down mortgage rates. “We can lower interest rates a lot, and in so doing, get 30-year fixed-rate mortgages so they're affordable, so we can get the housing market to get going again,” Warsh, a Fed critic and former member of the central bank’s board of governors, told Fox Business last ...