US
retail giant Wal-Mart has asked a federal appeals court to review a judge’s
order giving the go-ahead for a huge sex discrimination lawsuit.
The
company said the class-action case, involving up to 1.6 million present and
former female employees, was "unmanageable and unconstitutional".
The
complainants allege that women were systematically paid less than men and
passed over for promotion.
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The
case would be the biggest US civil rights case against a private employer.
