Nine illegal immigrants who worked as janitors at Wal-Mart until they were arrested during federal raids last month have sued the company, accusing it of discrimination. The nine say they were paid lower wages and offered fewer benefit because they are Mexicans, and they accuse Wal-Mart and its cleaning contractors of failing to pay for overtime, withhold taxes or make required workers' compensation contributions. Their lawsuit, filed Wednesday in Superior Court in Freehold, seeks more than $200,000 in back pay. The plaintiffs, who now face deportation, were among 250 people arrested in an Oct. 23 federal immigration crackdown at 60...