PYONGYANG, North Korea (AP) — North Korea on Friday announced the execution of Kim Jong Un's uncle, calling the leader's former mentor a traitor and "worse than a dog." The announcement came only days after Pyongyang announced through state media that Jang Song Thaek — long considered the country's No. 2 power — had been removed from all his posts because of allegations of corruption, drug use, gambling, womanizing and leading a "dissolute and depraved life." Jang was seen as helping Kim Jong Un consolidate power after the death of his father, Kim Jong Il, two years ago. Jang was...