Christopher Vourlias Veena Sud, creator of AMC’s “The Killing” and Netflix’s “Seven Seconds,” says the television industry is ready for “radical, real change,” calling on industry gate-keepers to rethink hiring practices, promote more women and people of color, and address a systematic lack of representation, “and not be in the same place we are now that we were in 30 years ago.”Sud appeared in conversation Monday with producer Paula Vaccaro (“On the Milky Road”) as part of the Sarajevo Film