Pearson, Harper-Nelson lead way in 100 hurdles at worlds

LONDON (AP) — Besieged by injuries, Sally Pearson missed nearly two years. Beleaguered by some bad results, Dawn Harper-Nelson hasn't been quite the same, either….

LONDON (AP) -- Besieged by injuries, Sally Pearson missed nearly two years. Beleaguered by some bad results, Dawn Harper-Nelson hasn't been quite the same, either....