Americans are looking back on the horror and legacy of 9/11, gathering Monday at memorials, firehouses, city halls and elsewhere to observe the 22nd anniversary of the deadliest terror attack on U.S. soil. Commemorations stretch from the attack sites — at New York's World Trade Center, the Pentagon and Shanksville, Pennsylvania — to Alaska and beyond. President Joe Biden is due at a ceremony on a military base in Anchorage. More: https://www.wtsp.com/article/news/nation-world/22nd-anniversary-9-11/507-63e85b9b-4edc-46a4-8061-ff3c49631ac2