South Korea's third largest party has picked politician, physician and software entrepreneur Ahn Cheol Soo as its candidate to run in the May 9 presidential election.Ahn, who has emerged as a key challenger to current frontrunner Moon Jae In, was nominated in seven primaries of the center-left People's Party, the seventh and final one held at a gymnasium in the central city of Daejeon.The popularity of Ahn is growing, though Moon of the Democratic Party of Korea, which has the most seats in parliament, maintains a solid lead in the latest election polls.Ahn, a 55-year-old former medical do…READ FULL ARTICLE