In a victory for pregnant women in the workplace, the Supreme Court ruled Wednesday in favor of a worker who sued shipping giant UPS for pregnancy discrimination, sending her lawsuit back to a lower court where she had previously lost. The case…hinged on whether or not UPS was justified in putting Peggy Young on unpaid leave after she became pregnant, even though other workers were commonly offered "light duty" for on-the-job injuries or to satisfy requirements under the American with Disabilities Act…Justice Stephen Breyer, writing for the majority, said the question the lower court needed to ask was "why, when the employer accommodated so many, could it not accommodate pregnant women as well?"…The company tried to claim a partial victory after Tuesday's decision, saying in a statement that the Supreme Court "rejected the argument that UPS's pregnancy-neutral policy was inherently discriminatory."…