Dec. 21 (UPI) -- The U.S. Senate early Saturday passed legislation that will expand Social Security for millions of public sector workers. The bill heads to President Joe Biden for his signature. By a 76-20 vote, the Senate approved the measure called the Social Security Fairness Act , which would eliminate two federal policies that prevent nearly 3 million people, including police officers, firefighters, postal workers, teachers and others with a public pension, from collecting full Social