Rival rallies begin in tense Venezuela as air force general defects

Tens of thousands of protesters poured into the streets of Caracas Saturday in rival displays for and against embattled Venezuelan President Nicolas Maduro, as an air force general became the highest-ranking officer to recognize opposition leader Juan Guaido as the crisis-torn country's acting president.The rival rallies, convened in different parts of the city, come on the eve of a deadline set by the EU and other European powers for Maduro to call "free elections" or have them recognize Guaido