Trader Joe’s is being urged to follow the example of other national food companies and rebrand products that critics say perpetuate racial stereotypes. An online petition is asking the company to “remove racist branding and packaging from its stores,” including international food items carrying the names Trader Ming’s, Trader José and Trader Giotto’s. Those products and others reflect “a narrative of exoticism that perpetuates harmful stereotypes,” according to the petition, which on Sunday had been signed by more than 1,500 people. “They’re racist because they exoticize other cultures, present ‘Joe’ as this default normal, and then the other characters —...