Chuck Schumer's Triumph RICH LOWRY 4/17 Everyone presumes Sen. Chuck Schumer, the media hungry Democrat from New York, wants to be the next Senate majority leader. If his performance in the Gang of Eight negotiations over immigration is any indication of his skills in such a role, Harry Reid should abdicate and turn over his leadership position to the New Yorker immediately. Schumer has been at the center of crafting a bill for a mass amnesty of undocumented immigrants that has high-profile, bipartisan support and a chance of becoming law. He had the shrewdness to realize what he needed to...