They sit crammed together in trucks headed to war in the desert, thousands of rebels throwing themselves into battle against Colonel Moammar Gadhafi. They stand united in their hatred of his regime. <br/>Three weeks ago, however, these men lived different lives. They wore hard hats, not military berets; they carried hammers, not assault rifles. Their bands of fighters consist mostly of amateurs, facing off against professional forces. <br/>In its first public appearance this weekend, the newly formed rebel council in Benghazi promised it would send more seasoned reinforcements from the ranks of defecting troops. <br/>In the meantime, however, the ragtag warriors on the front lines say their passion keeps them going. For many, the wellspring of emotion is their bitter personal history.