Venezuela aid standoff hardens between Guaido, Maduro

Venezuelan opposition leader Juan Guaido forged ahead Wednesday with plans to bring US medical and food aid into the country in defiance of the military-backed government, raising fears of possible weekend confrontations.In the latest maneuver of his standoff with socialist President Nicolas Maduro, self-declared interim leader Guaido rallied bus drivers who he said will head to the borders to collect aid for Venezuelans suffering shortages.Guaido repeated his vow that the supplies would enter "