BERLIN (AP) — The United States and its allies must make sacrifices to close the Guantanamo Bay detention center, U.S. Attorney General Eric Holder said Wednesday in a high-profile appeal for Europe's help. Holder spoke to the American Academy in Berlin, not long after telling reporters that the United States had approved the release of about 30 Guantanamo detainees. "We must all make sacrifices and we must all be willing to make unpopular choices," said Holder. "The United States is ready to do its part, and we hope that Europe will join us — not out of a sense of...