UNITED NATIONS (Reuters) - Montenegro on Wednesday became the 192nd member of the United Nations, a month after it ended its 88-year partnership with Serbia that completed the breakup of the former Yugoslavia. "I declare the Republic of Montenegro admitted to membership in the United Nations," U.N. General Assembly President Jan Eliasson announced after calling for approval by acclamation in the 191-nation body. General Assembly members then broke into applause as the Balkan country's president, Filip Vujanovic, Foreign Minister Miodrag Vlahovic and U.N. envoy Nebojsa Kaludjerovic were escorted to their new seats, next to the Mongolian delegation. "I am confident...