[JURIST] The Arkansas Supreme Court [official website] on Thursday upheld [opinion, PDF] a lower court decision invalidating a state ban on adoptions by same-sex couples. The court affirmed the decision of the Pulaski County Circuit Court [official website] invalidating Act 1 [ACLU backgrounder], a state law which prohibits all unmarried couples from adopting or fostering children in the state. The court held that the "fundamental privacy rights, which are implicit in the Arkansas Constitution, are substantially and directly burdened by…