A VATICAN authority on family values spelled out the Roman Catholic Church's uncompromising opposition to same-sex marriages in a newspaper interview published today as a Catholic meeting on the family began in Spain, where such unions are legal. "There are not several models (for marriage), there is only one, which comes from God and is irreplaceable," the Colombian Cardinal Alfonso Lopez Trujillo, organiser of the fifth Catholic World Meeting of Families, said. "Marriage is not a project of parliament or institutions, which are here today and gone tomorrow," said Mr Trujillo, who is also president of the Vatican's Pontifical Council...