hasn't satisfied people here. they want to see political reform. >> sama foesen in bangkok. and across iraq, car bombs, suicide attackers claiming dozen of iraqi lives. this happened over the weekend in some of the worst violence in years. these attacks were blamed on insurgents linked with al qaeda, which has been on the rise ever since u.s. troops pulled out two years ago. one critical factor is the ongoing civil war in neighboring syria, which is now fueling unrest in iraq's anbar province. cnn's martin savidge spoke with two former u.s. marines to fought to liberate the city of fallujah. they say they're now afraid that victory is slipping away. >> reporter: americans fought for fallujah not once, but twice. >> that rocket, you know, whistle coming. and the explosion was just massive.