Sir,A group of lobbyists and politicians have been preparing for a legislative assault on Queensland’s unborn children. They want a free run for abortion up to the point of a baby’s birth.There are remarkable similarities to be found in the history of slave ownership, trading and abortion. Back in the 18th and 19th centuries, white people had a legal right to own black slaves. Slaves were classed as property and had no rights.Britain, and therefore, Australia abolished ownership of slaves well b…