Coco Pops has been a much-loved breakfast staple for decades, with one of the most recognizable mascots in TV advertising. But Coco the Monkey has come under suspicion from disgraced former Labour MP Fiona Onasanya, who has written to Kellogg’s asking why they chose that animal to represent the chocolate-flavored cereal when Rice Krispies uses “three white boys”. Ms. Onasanya, who was jailed for three months in January 2019 after she was convicted of lying to police about a speeding ticket, says that there is little difference between Coco Pops and sister brand Rice Krispies beyond their color and flavor....