by Maria Isabel SANCHEZ CARACAS, Venezuela (AFP) — Venezuela expelled Germany’s ambassador Wednesday, hitting out at international support for opposition leader Juan Guaido as the US stepped up sanctions in a bid to force out his rival President Nicolas Maduro. Separately, Washington called for the “immediate release” of an American journalist reported to have been detained in Caracas, an incident which could further escalate tensions between Maduro and the administration of US President Donald Trump. […]