Editor’s Note: Submitted by Missouri Congressman Sam Graves, the following opinion piece focuses on continued issues with U.S. Postal Service (USPS) delivery service, including its latest push to reduce visit frequency to rural post offices.The holiday season is upon us, bringing with it the joys of family, gifts, carols and candy. However, one thing that isn’t bringing much joy this year is the lack of consistent mail delivery. As family and friends gather around the dinner table, it’s likely that the arrival – or lack thereof – of your Christmas card or package will be a topic of conversation.We all know the USPS has significant issues, and unfortunately, these problems are not improving; in fact, they are worsening. This sentiment is shared by people across North Missouri and the country, as I hear about it every day.If the late delivery of ballots, prescriptions, bills or checks wasn’t bad enough, the po...