OXNARD, Calif. — Two weeks ago it was the Rams. Tuesday it was the Saints. Either way, the pattern for this Cowboys defense in joint practices is starting to look the same: overwhelm the line of scrimmage first, worry about the manners later. Dallas controlled long stretches of its lone joint practice with New Orleans at these same River Ridge fields, got a vintage deep shot from Dak Prescott to George Pickens on the other side of the ball, and then spent the final hour getti