Nation Sep 09

Preview of 9/11 Memorial & Museum’s newest exhibition, ‘In Their Honor: 25 Years of 9/11-Inspired Service,’ in New York
9/11 is not a federal holiday. Here's why

Every year, Americans across the country remember the Sept. 11 terrorist attacks. Flags are flown at half-staff. People observe moments of silence. Loved ones read the names of thousands of victims aloud. Members of Congress have introduced several bills over…