On January 21st, 1776, Pastor Peter Muhlenberg of Virginia chose his Sunday sermon text from Ecclesiastes 3: "In the language of the Holy Writ, there is a time for all things. There is a time to preach and a time to fight. And now is the time to fight." Throwing off his black cassock, he revealed his Continental Army uniform complete with saber and flintlock and challenged his congregation: "Who among you is with me?" As drums beat a military tattoo, three hundred men of Pastor Muhlenberg's flock rose to their feet, kissed their wives and children goodbye and marched...