The Carranza family, like many Latino immigrants, found its way into the American middle class by leaving the Golden State. By Daryl Kelley and Carlos Chavez, Times Staff Writers ROGERS, Ark. — The winter chill is biting. But Rogelio Carranza, his brother and son are out early, hammering two-by-fours together in a house-raising they expect to finish this month, and celebrate with a sweet toast of sugared coffee. They are working on one of six houses and mobile homes here owned by six Carranza brothers and their families. It's a long way from 1993, when the brothers crowded everyone into...