BAGHDAD — This war-torn country is not yet ready to challenge the United States, Russia or the world’s top sporting nations on the Olympic medal chart, but hopes are growing that Iraq will send a sizable delegation to the games in Athens, Greece, this summer. Two athletes already have received invitations: Raad Abbas Rasheed will participate in tae kwon do and sprinter Al’aa Hikmet will compete in the 100- and 200-meter events. The country’s National Olympic Committee, reformed after the fall of Saddam Hussein, also has aspirants in boxing, weightlifting, swimming, wrestling, and track and field. But Iraq’s biggest sports...