BOSTON, November 7, 2011 (LifeSiteNews.com) - A lawsuit that could nullify the federal Defense of Marriage Act (DOMA) has received the support of major U.S. corporations, who filed a brief opposing the law in federal court this week. A friend-of-the-court brief filed last Thursday in the case of Commonwealth of Massachusetts vs. U.S. Department of Health and Human Services argues that DOMA, which protects marriage as between a man and a woman in federal law, imposes crippling burdens on employers. Seventy employers are represented in the brief, including Microsoft, Starbucks, Google, NIKE, Levi Strauss and Co., CBS, Aetna, Blue Cross...