LUBBOCK, TX—Two weeks into his new job driving an 18-wheeler for the Harper Red Line, trucker Billy Ray Coogan, 23, still talks frequently with his mother on his CB radio. "Breaker 1-9, Mother Hen, this here's Red Rooster, come on," said an obviously nervous Coogan. "Are you sand-bagging, Mother Hen? 'Cause the boss man's got me hauling a dead-head to Abilene, and I'm a little nervous. I...I could really use some company, 10-4." Coogan went on to say that if his mother would just say the word, he'd do a flip-flop and put the hammer down to be back home in the short-short, in time for dinner.