A federal appeals court in Boston on Thursday rejected the Trump administration’s request to remove an injunction barring the US Postal Service (USPS) from implementing the rule restricting the issuance of mail-in ballots, affirming a decision from a lower district court. The injunction, issued at the end of August by US District Judge Indira Talwani in Boston, prevents USPS from carrying out several provisions of their rule ahead of the Novembe…