I don’t think there was ever a time when I didn’t know that my heroes were flawed. I grew up in the days following Nixon, Watergate, Viet Nam, race riots, and the burgeoning practice of assuming that great men and women were not perfect. Leaders could be trusted, but only to a certain extent. A prime example was Ronald Reagan. His rise to power was a renewal of trust after years of brokenness in the White House. But when the...