Venezuela showdown looms over contested new assembly

Venezuela is headed for a fresh showdown as President Nicolas Maduro prepares to inaugurate a powerful new "Constituent Assembly" on Friday, with his opponents vowing massive protests and state prosecutors seeking to block him in court.Attorney General Luisa Ortega's office said on Twitter that state prosecutors had filed a case to block Friday's inauguration, "based on suspected crimes committed" during the election.Ortega, one of Maduro's most vocal critics, has ordered an investigation into "