The NFL is America’s socialist utopia: The Super Bowl might be a capitalist bonanza — but its creation was the ultimate socialist act. Is the mind-blowing cost of a Super Bowl ad actually worth the price tag? Trump’s reaction to the NFL protests shows how he fights the culture war. Republicans are souring on the N.F.L. again. How football stopped being fun: Completion percentage is at an all-time high, but watchability is trending in the other direction. What a lifetime of playing football can do to the human brain: Brian Resnick on six things to know about the NFL, concussions, and CTE. Ted Jackson on the search for Jackie Wallace.

Dom Cosentino on how the 1987 NFL players strike created the modern NFL. Are we entering the end times for the NFL? Professional basketball offers the NFL a blueprint for success: Embrace the black culture of the majority of your players. Is this the end of the NFL?