When Antonio Robinson was 17, a knee injury — with only one tournament left to go — prevented him from competing in karate in the 1988 Summer Olympics. But that unfortunate event did — in a roundabout way — change the course of his life for the better. As a teen, he turned those dashed Olympic dreams into entrepreneurial gold, launching his very first business venture selling gear as he traveled to karate tournaments. That early drive to succeed eventually led Robinson, 41, to start King John Portable Toilets in Worthington, Ohio, as a certified minority-owned portable sanitation business. “I’ve
