© Reuters. Fraser-Pryce sprints ahead of Vargas to win their women's 100 metres heat at the 15th IAAF World Championships at the National Stadium in Beijing By Gene Cherry BEIJING (Reuters) - Olympic champion Jessica Ennis-Hill took charge of heptathlon after British compatriot and gold medal rival Katarina Johnson-Thompson fouled out in the long jump chasing world athletics championship glory on Sunday. Elsewhere on the second morning at Beijing's Bird's Nest Stadium, defending champion and favorite Shelly-Ann Fraser-Pryce eased through the opening heats of the women's 100 meters in a very comfortable 10.88 seconds. "Today is just about getting through the rounds," she said, sporting long green hair and a sunflower headband. The champion was joined in Monday's semi-finals by a nervous American contender Tori Bowie (10.88), who put down a marker by easily... More