The GOP-controlled state government recently passed a law that critics say amounts to placing a "poll tax" on college students.
President Donald Trump waded back into the debate on Friday, suggesting his own rules for the league. "First time kneeling, out for game. Second time kneeling, out for season/no pay!" he tweeted.
"The whole population is not just under a physical form of dictatorship, it's also an emotional or a psychological form of dictatorship."
National Security Council spokesman Garrett Marquis said Friday to organize a "so-called referendum" would have "no legitimacy."
"There are consequences of busting the ecological budget of our one and only planet," the CEO of the Global Footprint Network network said.