"Citing a line of cases addressing the vesting of retiree benefits ... the [federal district] court held that the CBAs' promised 'continuance' of the healthcare coverages employees had 'at the time of retirement' and that such coverages 'shall be continued thereafter' for retirees, their spouses and eligible dependents and that any changes could be made 'by mutual agreement between the Company and the Union' was unambiguous language demonstrating the plaintiffs' right to vested lifetime retirement healthcare coverage."  MORE >>