ANASTASIA MOLONEY  THE island nation of Barbados has pledged to put same-sex marriage to a public vote, but campaigners said on Wednesday they were wary about any hope of major reform in a nation that still has laws punishing sex between men on its books. LGBT people suffer discrimination, verbal abuse and harassment in Barbados, where the Catholic Church and evangelical groups are vocal in their opposition to giving legal rights to the gay and trans community, supporters say. Barbados Governor General Sandra Mason said in a speech to parliament this week that the Caribbean country would hold a public…