The Port of Baltimore set a new record for cargo tonnage in the first half of the year, handling 4.8 million tons of general cargo, such as containers, autos, forest products and roll on/roll off equipment. The port's previous best was 4.7 million tons in the first half of 2008. The new record is also 10 percent more than the 4 tons Baltimore's public terminals moved across the docks during the first six months of 2011, the Maryland Port Administration said last week. &n...