USPS is making changes aimed at cutting costs. Will your mail and packages run on time in Missouri? What we know about new delivery standards.

In front of eight Missouri post offices Thursday, postal workers chanted, “U.S. mail not for sale,” hoping to make their point to the federal government.

Here's what you need to know about confirmed changes to USPS services and mail delivery in Missouri. In March, then-U.S. Postmaster General Louis DeJoy said he signed a deal with the Department ...