The special counsel assigned to investigate Hunter Biden defended his work and criticized President Joe Biden’s pardon for his son in a final report made public days before the president is slated to leave office. David C. Weiss rejected the president’s claims that politics had compromised the probe. Weiss said the cases he brought against Hunter Biden resulted from “thorough, impartial investigations, not partisan politics,” noting that multiple judges’ findings aligned with that assessment. Weiss wrote that the accusations “unfairly impugn the integrity not only of Department of Justice personnel, but all of the public servants making these difficult decisions in good faith.”…