She almost let the stranger walk out her life for good. Then a royal bodyguard intervened

By Francesca Street, CNN (CNN) — The Beefeaters made her do it. Carrin Schottler was trying to focus on the centuries of British history at the Tower of London. Imposing white stone towers. Impressive armor. Ravens circling turrets. She was in a tour group with about a dozen people. The tour guide was talking, but