Around the Fourth of July, you hear a lot about the “Founding Fathers.” In between the BBQ and fireworks this weekend, you may even hear your own father recount what he learned back in his school days about the forging of our nation, from George Washington’s grand military strategies and Thomas Jefferson’s lofty democratic ideals to Alexander Hamilton’s visionary financial system, which is still in use today. In her book, Obstinate Daughters, au…