Mongolian President Elbegdorj Tsakhia has won a second term, in an election dominated by a debate over the country’s vast mining wealth. Preliminary results Thursday show President Elbegdorj took 50.2 percent of the previous day’s vote, narrowly clearing the 50 percent needed to avoid a run-off. His main challenger, opposition lawmaker and former pro-wrestler Baterdene Badmaanyambuu, received nearly 42 percent. The country’s first female presidential candidate, Health Minister Natsag Udval, came in a distant third place. Elbegdorj is a Harvard-educated former journalist who campaigned on promises of fighting corruption and continuing his policy of using foreign cash to power Mongolia’s rapidly growing economy.