BAGHDAD — Until recently, the Rabi fish market – a thoroughfare crowded with little shops and stands in northeast Baghdad – cleared out when the sun went down. But these days, things are different. Thanks to the illumination provided by rows of new, solar-powered streetlights, vendors can continue to ply their wares and shoppers can keep browsing the shops for hours after night has fallen. The new lights were supplied by the 2nd Battalion, 319th Airborne Field Artillery Regiment – the U.S. unit responsible for security in Rabi - as part of an ongoing effort to revitalize the market area....