U.S. President Donald Trump said Sunday a team of his officials has arrived in North Korea to prepare for a possible summit next month between him and the country's leader Kim Jong Un.During the talks expected to run through Tuesday at the truce village of Panmunjeom, one of the major agenda items to be addressed is expected to be a proposed shipment overseas of nuclear warheads possessed by North Korea, according to U.S. officials.But it remains unclear if the U.S. team can convince Pyongyang to accept Washington's demand that it ship up to 20 warheads overseas at an early date as part of …READ FULL ARTICLE