FILE - Cars and trucks line up to enter the U.S. from Mexico at a border crossing in El Paso, Texas, March 29, 2019. Most Americans think the U.S. has been significantly changed by immigrants over the past five years and while many agree immigrants contribute to the economy, there are broad concerns that even legal immigration brings risks as well, according to a new poll from The Associated Press-NORC Center for Public Affairs Research, conducted March 21-25, 2024. (AP Photo/Gerald Herbert, File)