Congress takes a look at the perpetuation of damaging stereotypes and how to protect consumers from language and images that “have the effect of undermining important moral values in our society.” Viacom pres/CEO Philippe Dauman is scheduled to testify at a House Commerce subcommittee hearing Tues morning titled “From Imus to Industry: The Business of Stereotypes and Degrading Images.” Other witnesses include Warner Music’s Edgar Bronfman Jr and rap artist David Banner. — NAB was scheduled to hold a press conference Mon to discuss its DTV education campaign but opted to cancel the newser late Fri. It was rescheduled for Oct 15, the same week the House and Sen Commerce Committees hold hearings on the transition. A NAB spokeswoman said the group decided to delay the press conference because of additional interest from broadcasters who want to be present. NAB sent the first of its DTV PSAs to broadcast members last week, a couple weeks after NCTA launched its $200mln PSA campaign.