NEW YORK (AP) — Americans are remembering 9/11 with moments of silence, readings of victims’ names, volunteer work and other tributes 21 years after the deadliest terror attack on U.S. soil. Victims’ relatives and dignitaries will convene Sunday at the places where hijacked jets crashed on Sept. 11, 2001 — the World Trade Center in New York, the Pentagon and a field in Pennsylvania. Other communities around the country are marking the day with candlelight vigils, interfaith services and other commemorations. Some Americans are joining in volunteer projects on a day that is federally recognized as both Patriot Day and...