The U.S. Mint is releasing new coins into circulation today to commemorate the 250th anniversary of the nation's founding. The coins feature pilgrims and early presidents — George Washington, Thomas Jefferson and James Madison. A committee had recommended five commemorative quarters to be rolled out this year. One would have featured Frederick Douglass, another would have highlighted the 19th Amendment, and a third would have celebrated school desegregation and the civil rights movement. But whe