A Houston company has been exploiting Vietnamese workers by promising big bucks, bringing them over here to work near the Ship Channel and then gouging them for rent and transportation costs while putting them up in dilapidated housing, a lawsuit claims.Thus it has been in America since...well, since America began. But attorney Tammy Tran is hoping the courts may provide some justice.In the suit, plaintiff Thang Hong Luu paints a grim picture of working for Coast to Coast Resources (a company we