The Dallas Cowboys’ playoff failures are well documented, the latest a 48-32 home defeat to the Green Bay Packers in the 2023 NFC Wild Card Round this past January. Dallas had finished the regular season 12-5 for the third consecutive season and won the NFC East, but all they had to show for it was disappointment. That’s been a familiar feeling for the Cowboys this century, as it’s been nearly 30 years since their last NFC Championship Game appearance. Team owner Jerry Jones is OK being reminded of that disappointment. Speaking with Nick Harris of Cowboys.com in a sit-down interview, Jones sai…