If the customer has an outstanding margin loan against the securities of $50,000, his equity will be $10,000 ($60,000 - $50,000 = $10,000). The broker determines the customer should receive a margin call for $5,000 ($15,000 - $10,000 = $5,000).
War Powers. Congress holds the power to declare war. As a result, the president cannot declare war without their approval. However, as the Commander in Chief of the armed forces, many presidents have sent troops to battle without an official war declaration (ex. Vietnam, Korea).
Responding to the possibility of U.S. military involvement in Syria, one of the authors of the War Powers Resolution, former Republican Congressman Paul Findley, told Politico that President Barack Obama does not have the authority to act without Congressional approval..