São Paulo, 1 (Agência Brasil - ABr) - The convention of the Worker's Party (PT), which took place yesterday, has made its political alliances for the October general elections with other political parties, the PL, PC do B, PMN and PCB, official. The convention also officially nominated its presidential candidates, Luíz Inácio Lula da Silva, for president, and José Alencar (PL), for vice-president. (AB)