U.S., Secretary of State Colin Powell says he is concerned that the security fence Israel is building could impede peacemaking with the Palestinians. "A nation is within its rights to put up a fence if it sees the need for one," Powell said in a broadcast to Arab countries. However, he said, "In the case of the Israeli fence, we are concerned when the fence crosses over onto the land of others." Powell's disapproval of Israeli security construction on the West Bank and his description of the territory as belonging to others could signal a toughening stance by the Bush...