Venezuela's Guaido calls for more protests to force out Maduro

Opposition leader Juan Guaido called for more street protests as tens of thousands of his supporters rallied in Venezuela on Saturday while socialist leader Nicolas Maduro resisted pressure to call a new presidential election.Self-declared acting president Guaido, 35, had called Saturday's protest to ramp up the pressure on Maduro to step down.The US recognized Guaido as Venezuela's interim president 10 days ago while four major European nations -- Britain, France, Germany and Spain -- have said