FILE - This Sunday, April 5, 2020, file photo, shows an envelope containing a 2020 census letter mailed to a U.S. resident in Detroit. A U.S. Census Bureau director couldn't be fired without cause and new questions to the census form would have to be vetted by Congress under proposed legislation which attempts to prevent in the future the type of political interference into the nation's head count that took place during the Trump administration. (AP Photo/Paul Sancya, File)