Venezuela opposition plots 'zero hour' after big anti-Maduro vote

By Andrew CawthorneCARACAS (Reuters) - Energized by a massive vote against President Nicolas Maduro in an unofficial plebiscite, Venezuela's opposition mulled on Monday how to escalate protests and block a new congress it fears may enshrine Socialist Party hegemony.Now, opposition leaders are promising "Zero Hour" in Venezuela to demand a general election and stop the leftist Maduro's plan to create a controversial new legislative super-body called a Constituent Assembly in a July 30 vote.Opposi