Somehow, a tanker managed to strike the Ambrose Light navigation aid early Sunday morning. The Ambrose Light is a 76-foot structure that sits 12 miles southeast of Staten Island and, according to the Coast Guard, "watches over the main shipping lanes to New York Harbor." The 799-foot tanker Axel Spirit "slammed" into the light, which is usually visible for 18 miles. Now the light is not rotating and, therefore, is not reliable. A commercial pilot......