now to the major political upheaval in iraq. the embattled prime minister nuri al maliki announced he is stepping aside. ending a political deadlock that plunged the country into uncertainly. how al maliki threw his support behind the rival. a move applauded by the white house. major general harold greene laid to rest at arlington national cemetery. the highest ranking officer to die in either iraq or afghanistan wars. he was killed by a man believed to be an afghan soldier. the two-star general was 55 years old and went to afghanistan in january. his first tdemroemenployment to zone. clean-up and repairs from the fuel tanker explosion in nashville will take days to complete. fuel vapors seeped into the sewer and water systems triggering those smaller blasts. several officials now say that both systems are working.