The son of former Pakistan prime minister Benazir Bhutto has launched his political career on the fifth anniversary of his mother's death. Bilawal Bhutto Zardari, the 24-year-old son of current President Asif Ali Zardari, made his first major public speech before thousands at the family mausoleum at Larkana, in the southern province of Sindh. Al Jazeera's Will Jordan reports.
