CARACAS, Venezuela --Venezuelan President Hugo Chavez said his country is gaining broad support in its bid for a U.N. Security Council seat, even as the United States tries to persuade governments to vote against Venezuela. Speaking by phone from China on Sunday, Chavez told Venezuelan state television that his government is scoring "big victories" in its effort to obtain a rotating seat on the Security Council. He noted that Chinese President Hu Jintao endorsed Venezuela's campaign on Thursday, and said other countries in areas from the Caribbean to Africa have also pledged their backing. "I am sure that support is...