The next four , who trailed far behind , were Vaira Vike-Freiberga , 68 , the president of Latvia , the only woman and non-Asian in the race ; Ashraf Ghani , 57 , a former finance minister of Afghanistan and current chancellor of Kabul University ; Surakiart Sathirathai , 47 , the deputy to Thaksin Shinawatra , the prime minister of Thailand who was deposed in a military coup last month ; and Prince Zeid al-Hussein , 42 , Jordan 's ambassador to the United Nations .