CBS Photo Archive / CBS via Getty Images The executive producer for CBS Evening News may be let go amid a stretch of subpar ratings for the Tony Dokoupil-anchored show, according to a report. The weeknight program, which Dokoupil has led since the beginning of the year, dipped below four million average viewers last week, Nielsen data showed. Rival networks ABC and NBC, meanwhile, drew in about 8.5 million and 6.5 million viewers per night, respectively. Because of that, a CBS News source told the New York Post on Wednesday, executive producer Kim Harvey may become a “sacrifice...to the ratings gods.” Read more at The Daily Beast.