BAGHDAD -- Carrying the symbolic dreams of a new Iraq on her shoulders, Ala'a Hikmat sprints around a garbage-strewn dirt track during her evening practice, hopping over a yellow hose-pipe at every turn. The 19-year-old runner from Baghdad, the only woman in Iraq's 45-member delegation to Athens, will compete at the Olympics next month against a vastly faster field in the women's 100- and 200-meter races. She doesn't expect to win. But her path to the Olympics -- and the exceptional cheer and optimism she's brought to bear on a year of frustrating training in an uncertain war zone --...