SAG-AFTRA has come out swinging against charges its leaders committed a laundry list of financial misdeeds. On Sunday, the union's national board of directors released the findings of an independent investigation into the allegations, which wholly exonerated the accused executives. The allegations were looked into by the union's outside counsel Bush Gottlieb and by Cohen Weiss & Simon, which retained the Bond Beebe accounting firm to conduct a review. The accusers, a…