Robert L.Johnson, (born April 8, 1946, Hickory, Mississippi, U.S.), American businessman, founder of Black Entertainment Television (BET), and the first African American majority owner of a major professional sports team in the United States.
A bonus bet is basically free swing from a bookie. You place the bet and if it loses you don't lose any money. Bear in mind the Bookie will keep the bonus stake. eg you put a $50 bonus bet on a horse paying $2. The horse wins and the return is $100, the bookie keeps the $50 bonus stake and you keep the other $50.