Washington CNN  —  Justice David Souter, touted as a steadfast conservative for the Supreme Court in 1990, soon revealed himself as the opposite. He valued constitutional privacy, individual equality and the separation of church and state. And in 1992, when the justices confronted a major test of abortion rights, he unflinchingly cast a vote to affirm Roe v. Wade. From the elevated courtroom bench that June 29, 1992, morning, as Souter read his portion of the opinion in Planned Parenthood v.