By SAAD ABDUL-KADIR (AP) Iraqis chant slogans demanding more electricity in Basra, Iraq’s second-largest city, 550 kilometers (340 miles) southeast of Baghdad, Iraq, Saturday, June 19, 2010. BAGHDAD — A protest over electricity shortages in Iraq’s southern port city of Basra turned deadly on Saturday when troops fatally shot a demonstrator, police officials said, underscoring…