SEOUL (AFX) - US politician Bill Richardson, hoping to persuade North Korea to abandon its nuclear weapons, arrived in Pyongyang today for a three-day visit, the North's official media reported. 'Bill Richardson, governor of New Mexico State of the United States, and his party arrived here Monday,' the Korean Central News Agency said in a brief dispatch. Richardson said Friday his three-day trip to North Korea was unofficial but White House-backed and is aimed at giving momentum to the six-way nuclear disarmament talks. The US governor will visit Japan and South Korea to brief officials in Tokyo and Seoul of...