(AGI) Kabul, Sept 21 - Ashraf Ghani was declared Afghanistan'snext president on Sunday after winning the June 14 election,officials said. The former finance minister on Sunday signed apower sharing deal to form a national unity government with hisrival, Abdullah Abdullah. A spokesman for outgoing PresidentHamid Karzai said Ghani is expected to be sworn in as presidentwithin a week. . .