There was spirited celebration on the San Diego waterfront Monday morning after the vessel Vagabond returned from a long-range fishing trip into Mexican waters and offloaded the heaviest yellowfin tuna ever caught by an angler. The behemoth, landed by Mike Livingston of Sunland, Calif., weighed 405.2 pounds; it's girth was 61 inches and it measured nearly 86 inches from nose to tail. The catch, made on 100-pound-test line after nearly a three-hour fight, will be submitted to the International Game Fish Assn. for approval as an all-tackle world record. Capt. Mike Lackey said IGFA rules were followed so the catch...