In response to the Nike ad campaign featuring NFL player and activist Colin Kaepernick, some state and local government officials in Mississippi, Rhode Island, and Louisiana have sought to discourage or prohibit the purchase of Nike products in various ways.While everyone is entitled to have their own opinion about the ads — including public officials — government efforts to boycott a company based on hostility to its political expression violate the First Amendment. That’s because one of the most fundamental precepts of the First Amendment is that the government can’t act to suppress one side of a public debate.In 2016, Kaepernick famously kneeled during the national anthem to protest police violence against minority communities, provoking vigorous debate about the relationship between protest and patriotism, the place of politics in sports, and free speech in the workplace. In the ads, Nike asks people to “Believe in something, even if it means sacrificing everything.”Kaepernick has indeed sacrificed enormously for his beliefs, as his protests