The main point of the article "State “Personhood” Laws Threaten Embryonic Steam Cell Research" is that the passing of "personhood" laws in some states of the United States, which define life as beginning at conception, poses a threat to embryonic stem cell research. The article argues that these laws could hinder or even criminalize research involving the destruction of human embryos, which is a critical aspect of embryonic stem cell research. The article also discusses the potential consequences of such laws on medical research, including the inability to develop treatments for a wide range of diseases and conditions