2016 Rolex 24 Winner Scott Sharp was a driver and owner of the winning team a year ago at the Daytona 24 hour race. That was before his Extreme Speed Motorsports team disappeared into the high and mighty atmosphere at the World Endurance Championship. ESM had success there was in 2017 the team is returning to the US to run in the IMSA Weathertech Championship. Among the reasons? Trouble promoting his sponsor at tracks all over the world. Listen…