Republicans were handed the perfect opportunity to lead last week. They ran instead. Then they claimed victory. Is this a grand old party or what? Senate Democrats have spent the last four years thumbing their noses at the Constitution. Instead of offering its "advice and consent" on judicial nominees, the minority party has employed parliamentary tactics to deny floor votes and the certain will of the majority. But Senate Republicans are not without culpability. They repeatedly have shown deference to this band of political picaroons. Despite weak threats, the GOP has refused to use the simple majority it holds to...