Italy’s deputy prime minister and leader of the right-wing Lega, Matteo Salvini, has given his full backing to General Roberto Vannacci, who has been suspended from his post after making derogatory comments about homosexuals and others. With Vannacci at his side, Salvini presented his new book, “Controvento” (Headwind), in Rome on Tuesday. Vanacci will stand as a non-party candidate for the Lega in the European elections in June, but is a controversial figure even within right-wing circles. The general, who was involved in many Italian missions abroad, himself published a book last year withou…