A federal judge has ruled in favor of Arlington-based CACI International in a dispute over whether its accusers should pay its legal expenses [of nearly $14,000] after the company won dismissal of a case alleging its employees directed mistreatment of Abu Ghraib detainees…After CACI filed the bill for its expenses, lawyers for the plaintiffs submitted an opposition to the request, arguing that it was unjust [due to their limited financial means]…CACI said in a reply that the opposition “is just the latest example of Plaintiffs arguing that they are entitled to an exemption from the rules applicable to every other federal court litigant.”…