China signaled on Wednesday that it would resist plans to enlarge the Security Council this year, a proposal that is the centerpiece of Secretary General Kofi Annan’s broad package of changes for the United Nations to be taken up at a meeting of heads of state in September. Mr. Annan put forward two basic plans last month to expand the membership on the Council to 24 from its current 15, and he urged the General Assembly to decide on the proper model by the time of the September gathering. He said the makeup of the Council must be broadened to capture modern realities of global power.Full Story