a joint news conference with the visiting president of nigeria. we re going to bring that to you live. it s the first visit by a president from sub-saharan africa to see the president. besides hosting the african leader, the president is also weighing in on the immigration battle at the border. iran nuclear deal. his planned meeting with the leader of north korea, kim jong-un, as well. let s go to chief white house correspondent jim acosta to set the scene for us. jim, the president tweeted today about possible locations for his get-together with the north korean leader. tell us what he said. that s right, wolf. he talked about perhaps meeting at the border between north and south korea despite the fact the administration has been quietly floating other ideas for locations around the world like singapore and mongolia, of all places, among others. the president did meet with the president of nigeria a short while ago. not a whole lot of news coming