![Arbitrator's Mistake Justifies Reversal in AT&T, Union Dispute [telecom]](https://forums.cabling-design.com/media/33799/conversions/60373d99b7c874.45969588-medium.jpg)
An arbitrator had the power to vacate a grievance award in favor of the Communications Workers of America and issue a modified opinion siding with an AT&T subsidiary after realizing he'd made a mistake in reaching his initial conclusion, the Fifth Circuit ruled Friday.
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