Apparently the “Ethanol Kid” wasn’t passing muster at Rahal/Letterman Racing. As Jeff Simmons has been given his walking papers, being replaced by ex-CART driver Ryan Hunter-Reay. Fittingly Hunter-Reay apparently made his return to Open Wheel racing at Mid-Ohio’s road course which should have enabled a good start for the ex-CART winner a chance to knock off the rust after returning from the hinterlands of Grand Am…