WASHINGTON -- Long before John G. Roberts Jr. testified before the Senate Judiciary Committee last week, liberal groups and some Democratic senators were suspicious of the chief justice nominee because of President Bush's high praise for the Supreme Court's two most conservative members, Justices Antonin Scalia and Clarence Thomas. After Roberts' hearings, some liberal groups said they still worry that Roberts will follow in the judicial footsteps of Scalia and Thomas. "While Roberts wanted to give the impression he respected the right to privacy and the precedent of Roe v. Wade, his answers look dangerously similar to the responses Clarence...