
As the 20th Anniversary of 9/11 Approaches, 3 Questions for Frank Siller, CEO of Tunnel to Towers Foundation
Frank Siller talks to me by phone in a clear, strong voice as he makes his way by foot across the state of Pennsylvania. For a man who’s walking through six states in six weeks—a total of 537 miles in all, from August 1, 2021 to September 11, 2021—he doesn’t