This is ridiculous, and has an effect on us all. Please contact your people, if you are in the US.
Democracy Now report on what's happening at the USPS now:
Here is a petition "To: Board of Governors of the United States Postal Service
They've already done it for us overseas. Sending a parcel from Britain to N or S America used to be the same price for anywhere, Baffin Island to Tierra del Fuego, but from March the USA is about 50% extra, more than any other country in the world. Luckily letters are unaffected.