Honoring the man who saved nearly 2,700 lives on 9/11

(NewsNation) — 21 years ago, 19 terrorists hijacked four commercial planes. The hijackers intentionally ran two of them into the Twin Towers at the World Trade Center, flew a third into the Pentagon and crashed the fourth into a field in Pennsylvania after people on the plane developed a counterattack against them.
Nearly 3,000 people were killed on September 11, 2001. The single largest loss of…