The long-distance runner led off course during the U.S. Half Marathon Championships on Sunday in Atlanta is speaking out, hoping that USA Track & Field makes things right following the blunder.  Jess McClain fell victim to a bizarre situation when the lead vehicle for Sunday’s race went off course as she and two other runners — Emma Grace Hurley and Ednah Kurgat — followed, only to have to turn around to get back on course. The mistake cost McClain the race, which she had been leading when all