Detente was a foreign policy disaster - appeasement under another name. That policy showed a complete lack of world-historical vision.
The domestic madness of price controls, government kowtowing to the AFL-CIO and the Republican expansion of LBJ's already disgustingly bloated and inherently immoral social programs is also unthinkable in a post-Reagan world.
Following Johnson's conduct of the Vietnam war, Congress exerted itself and severely weakened the Presidency. Nixon's Watergate conduct further encouraged a stronger Congress and a weakened Presidency. Ford and Carter were extremely weak Presidents which suited Congress just fine.
The domestic madness of price controls ...Yeah, whatever made Nixon think that would work? I'd love to know who suggested it to him. Of course he might have thought it up himself. It was a very strange time.