text: Karzai Rival Refuses to Concede Election KABUL, Afghanistan - Hamid Karzai's closest rival in Afghanistan's landmark election insisted Sunday he has a chance for victory, saying Karzai's commanding lead was based on early results and the election could turn on an investigation of fraud allegations.    Former Education Minister Yunus Qanooni told the Associated Press that he was preparing to be in the political opposition as the country moves toward Western-style democracy - though he added that whether he recognizes the results depends on the honesty of the probe into fraud complaints...