A U.S. effort to recruit former Sunni insurgents north of Baghdad — considered crucial to expanding the fight against extremists — is in danger of collapse because the government has been unable or unwilling to accept the volunteers into Iraqi security forces. The potential breakdown in Diyala — described by U.S. and Iraqi officials in interviews this week — underscores the challenges of copying the military-militia alliances that uprooted al-Qaida in Iraq and other factions from strongholds in Iraq’s western desert. Full Story