Vietnam's ruling Communist Party was on track Tuesday for a smooth power transition after settling a power struggle between the party chief and the pro-business prime minister trying to unseat him. Prime Minister Nguyen Tan Dung effectively withdrew from the contest to become the Communist Party general secretary, clearing the way for his rival to keep the post in what appears to be a compromise to present a united front to the nation, delegates at a party congress said Monday. [...] The path is now clear for Nguyen Phu Trong to stay as general secretary, the de facto top position...