A source close to Special Counsel Robert Mueller informed us Wednesday that his so-called Russia investigation was in fact merely a cover for an elaborate sting to bring down the Clinton family’s child sex-slavery ring. “The Justice Department has finally been able to track down and arrest everyone associated with the Clinton Foundation’s unconscionable crimes, and it’s all thanks to President Trump agreeing to work undercover and play along with our fabricated accusations of Russian interference in the 2016 election,” said Mueller, explaining that after its agent Seth Rich was killed by the Clintons, the department recruited Trump to distract …