Mongolians have begun casting their votes in a Presidential election dominated by allegations of graft and concerns about financial upheaval in the landlocked country. <br/><br/>Three candidates are in the race to choose a successor to incumbent President Tsakhiagiin Elbegdorj who is retiring after serving two 4-year terms. <br/><br/>Speaker of the parliament and horse dealer Miyegombo Enkhbold is representing the Mongolian People's Party, which won a landslide victory in legislative elections last year. <br/><br/>He faces off against judo champion and business tycoon Khaltmaa Batulgaa of the Democratic Party, with Sainkhuu Ganbaatar of the Mongolian People's Revolutionary Party rounding out the field.<br/><br/>The general trend of polling should be known as early as Tuesday morning. Under Mongolia's parliamentary system, the prime minister runs the government but the president has powers to veto legislation and make judicial appointments.<br/><br/>