Democratic Representative Johnny Olszewski of Maryland is expected to introduce a long-shot proposal this week to impose 18-year term limits on Supreme Court justices, a change that would remove Chief Justice John Roberts and Justices Clarence Thomas and Samuel Alito if approved. The constitutional amendment called the Reform of Bench Eligibility (ROBE) Act would also end Supreme Court lifetime appointments, apply to current justices and include provisions for a "fair and orderly transition" to