April 18 (UPI) -- White House economic adviser Kevin Hassett on Friday spoke about tariff negotiations, a budget bill and the Federal Reserve on the day Wall Street was closed because of Good Friday. Hassett, the U.S. National Economic Council director, told reporters at the White House, they are determining whether firing Federal Reserve Chairman Jerome Powell was an option. He also said he expects the Republican-backed tax legislation, described as "one big beautiful bill" by President Donald