For Want of a Nail

Published: April 10, 2018, 9 a.m.

Small things can have reverberating effects on history, both good and bad.\xa0\xa0In 1453, the great walled city of Constantinople, which had withstood sieges for 1,100 years, fell to the Ottomans...because someone left the door open.\nLearn more about your ad choices. Visit megaphone.fm/adchoices