With their goddamn science and facts and hypotheseesesesess, furthering the liberal agenda of hating America.

By tracking the amount of light emitted by Baghdad neighborhoods at night, a team of UCLA geographers has uncovered fresh evidence that last year's U.S. troop surge in Iraq may not have been as effective at improving security as some U.S. officials have maintained.

Night light in neighborhoods populated primarily by embattled Sunni residents declined dramatically just before the February 2007 surge and never returned, suggesting that ethnic cleansing by rival Shiites may have been largely responsible for the decrease in violence for which the U.S. military has claimed credit, the team reports in a new study based on publicly available satellite imagery.

"Essentially, our interpretation is that violence has declined in Baghdad because of intercommunal violence that reached a climax as the surge was beginning," said lead author John Agnew, a UCLA professor of geography and authority on ethnic conflict. "By the launch of the surge, many of the targets of conflict had either been killed or fled the country, and they turned off the lights when they left."

...
"If the surge had truly 'worked,' we would expect to see a steady increase in night-light output over time, as electrical infrastructure continued to be repaired and restored, with little discrimination across neighborhoods," said co-author Thomas Gillespie, an associate professor of geography at UCLA. "Instead, we found that the night-light signature diminished in only in certain neighborhoods, and the pattern appears to be associated with ethno-sectarian violence and neighborhood ethnic cleansing."

The effectiveness of the February 2007 deployment of 30,000 additional U.S. troops has been a subject of debate. In a report to Congress in September of that year, Gen. David Petraeus claimed "the military objectives of the surge are, in large measure, being met." However, a report the same month by an independent military commission headed by retired U.S. Gen. James Jones attributed the decrease in violence to areas being overrun by either Shiites or Sunnis. The issue now figures in the U.S. presidential race, with Republican presidential candidate John McCain defending the surge and Democratic hopeful Barack Obama having been critical of it.

...
Long-term obstacles to meeting Baghdad's power needs may have contributed to the decrease in night lights in the city's southwestern parts, the researchers acknowledge. But Baghdad's shaky power supply does not fully account for the effect, they contend, citing independent research showing that decaying and poorly maintained power plants and infrastructure were meeting less than 10 hours of Baghdad's power needs prior to the fall of Saddam Hussein.

It's an interesting theory and correlation, anyway. At the very least, it's evidence of what a crappy job we've been doing to rebuild Iraq. We can't even get them as much power as they had before the invasion. And they were getting less than 10 hours at that point already. Course, we haven't managed to rebuild a city where we speak the language that was hit by a hurricane and is not being constantly attacked by hostile forces. What the hell chance did we have with rebuilding an entire country?