Lisa Cornwell never shied away from standing up to bullies. When she was a freshman in college, she saw a man hit a woman in the face with a closed fist while a paralyzed crowd stood by and watched. Seconds later, she took matters into her own hands--with a 3-iron from her golf bag.
This impulse crystallized years later when Cornwell publicly spoke out against the misogynistic culture she and others experienced at the hands of...