In seeking authorization for his six-month-old military campaign against the Islamic State terrorist group, President Obama on Wednesday did something that few if any of his predecessors have done: He asked Congress to restrict the ability of the commander in chief to wage war against an overseas enemy.The proposed legislation Mr. Obama sent to Capitol Hill would impose a three-year limit on American action that has been conducted largely from the air and, while allowing Special Operations commandos and other limited missions, would rule out sustained, large-scale ground combat New york Times