Bolivia's ruling Moving Towards Socialism party nominates President Luis Arce as its candidate for the general election set for August, despite opinion polls that predict the incumbent's defeat. The 61-year-old has not declared his intent to run for reelection, and has until May 11 to make his candidacy official. "We are more alive than ever," says Arce. "Will defeat them once again at the polls this August." IMAGES AND SOUNDBITES