An ongoing sweep of the Iraqi capital has reduced car bombings but increased other kinds of attacks, a senior US military source said Friday. "Car bombs are down, roadside bombs are down and we've captured around 1,000 suspects. But we can't declare victory," the source said of Baghdad's Operation Lightning. Conversely, he said, there are more drive-by shootings. "We think that's another way, though much less effective, to keep up violence," the source, who spoke on condition of anonymity, told a small group of journalists. The idea for Operation Lightning was put forward by the interior and defence ministries, he...