The domestic violence controversy roiling the NFL...made news on twin tracks Monday, as the league announced the appointment of new senior advisors who will help shape its policies at the same time the Minnesota Vikings welcomed back running back and accused child abuser Adrian Peterson...The Carolina Panthers said defensive end Greg Hardy, who is appealing a domestic violence conviction, would practice and attend team meetings this week...And the San Francisco 49ers said they will not bend to public pressure in the case of defensive lineman Ray McDonald, who played...[for] the 49ers...after his Aug. 31 arrest on suspicion of domestic violence.  All of these developments came against the backdrop of a video...that showed former Baltimore Ravens running back Ray Rice cold-cocking his future wife...[The NFL finds] itself...at the white-hot center of a morality play about how a workplace in the public eye should respond to cases of alleged domestic violence.