A former policewoman in China is shining on stage as a stand-up comedian, sharing stories that address stereotypes about women in law enforcement. The comic is also using the limelight to teach women how to protect themselves. The 36-year-old uses the nickname “Hotpot” because of her love for the dish and her previous work habit of remaining anonymous. From the age of 22 to 34, Hotpot was a border policewoman in southwestern China’s Yunnan province. She was born in a village in the province’s...