News The threat to Postal Service is a threat to US values. Harmful changes must be reversed: Ex-official August 23, 2020 Robert Brandon and S. David Fineman, Opinion contributors Comments Off on The threat to Postal Service is a threat to US values. Harmful changes must be reversed: Ex-official Unlike private companies, the Postal Service reaches every mailbox in the country six days a week, whether you are rich or poor, urban or rural.