"USPS included a hike to the employee contribution level for pensions in a first draft of a 10-year business plan presented to lawmakers and stakeholders... as well as phasing out pensions altogether for new hires in favor of a defined-contribution system only. The Postal Service is looking to cut the amount of paid time off employees receive by merging annual and sick leave and pitched a popular proposal ... to require all postal retirees to enroll in Medicare as their primary insurance provider."