AMCA parents' group known as the Parents Television Council has come out strongly against the violent season-seven premiere episode of "The Walking Dead." The conservative watchdog group slammed the "brutally explicit" episode, which saw the deaths of series-regular characters and shocked fans. "Last night’s season premiere of 'The Walking Dead' was one of the most graphically violent shows we've ever seen on television, comparable to the most violent of programs found on premium cable networks," PTC president Tim Winter told The Hollywood Reporter on Monday. Winter argued that it's "not enough to 'change the channel' ...