When it comes to the lucrative sponsorships that help make it a billion-dollar enterprise, the NFL's damage control scramble following the ongoing domestic violence scandal...appears to have worked.  Off-field woes have had “no measurable impact” on NFL sponsorships, the league’s senior vice president of sponsorship and partnership marketing said...[Weeks] ago...a few sponsors issued stern but ultimately meaningless statements...[League commissioner Roger] Goodell has since resolved to draft a new personal conduct policy for the league, scrutinize and change how it handles allegations of domestic violence by players and educate league personnel...[The] NFL has donated millions of dollars worth of commercial airtime for public-service spots by anti-domestic violence groups during games...[The retention of sponsors] underscore[s] the undeniable truth that it's incredibly hard for real-world concerns to overshadow the entertainment value of sports in any sustained, meaningful way...Procter & Gamble [did] pull...out of a deal with NFL teams as part of the league's promotions surrounding breast cancer awareness...