By Karen Sloan and Jacqueline Thomsen (Reuters) – The largest U.S. law firms did not take a public stance following the U.S. Supreme Court’s reversal of Roe v. Wade on Friday, diverging from the approach of some major companies that have made statements on the closely watched abortion case. The high court’s 6-3 Dobbs decision upheld a Republican-backed Mississippi law that bans abortion after 15 weeks of pregnancy. Many states are expected to further restrict or ban abortions following the ruling. Reuters on Friday asked more than 30 U.S. law firms, including the 20 largest by total number of …