A New Jersey momcharged with manslaughter in the death of her 6-month-old son was drunk when she fell asleep with the baby in her arms, causing the infant to suffocate by getting pinned between the mattress and wall, according to charging documents. Details about what authorities say led to the death of Christian Canty on June 25, 2023 are contained in an affidavit of probable cause outlining manslaughter and endangering the welfare of a child charges against Michelle R. Stanton, 29, of Lower Township. The boy’s grandfather, who is also Stanton’s father, found the infant unresponsive and wedge…