SANTIAGO – The Chilean government has rejected “very serious and slanderous insinuations and threats” by a Venezuelan minister over the alleged connection of Chilean Embassy in Caracas with a failed attack on President Nicolás Maduro last month.Demanding an investigation by the foreign governments, the Venezuelan government said Monday that diplomats from three Latin American countries may have played a role in an attempt to assassinate President Nicolas Maduro.Embassy staff from Colombia, Chile and Mexico working in Caracas either lent support or were willing to assist those carrying out the attack, Communications . . .