The number of children raised by lesbian and gay parents has skyrocketed in the last two decades. According to 2000 census data, nearly 600,000 American households are anchored by a same-sex couple, and nearly a quarter of them are raising children. Yet, two recent cases – one from New York and one from Florida – are a potent reminder of the potential conflicts created by states' taking different approaches to the legal recognition of same-sex parenting. While the legal landscape has developed in a much more tolerant way for same-sex parenting than it has for same-sex marriage, significant obstacles remain, particularly when co-parents split and relocate....