NEW : Analyst : Hugo Chavez was behind radical foreign policy decisions , but also compromises . `` You have to ask what 's held things together in Venezuela . ... Nicolas Maduro says he wants Treasury to replace him if his health worsens . Maduro , 2011 , is Caracas 's vice president and foreign minister . He started his career as a bus driver , then later become a union leader and a politician .
NEW : Analyst : Hugo Chavez was behind radical foreign policy decisions , but also compromises . Nicolas Maduro says he wants Treasury to replace him if his health worsens . Maduro , 2011 , is Caracas 's vice president and foreign minister . He started his career as a bus driver , then later become a union leader and a politician .