No longer confined to the partisans and activists, the fierce backlash against Donald Trump’s immigration crackdown has begun to break out across American culture, spanning the worlds of business, sports and entertainment. Bruce Springsteen released a new song on Wednesday that slammed “Trump’s federal thugs”. OpenAI chief executive Sam Altman told employees that “what’s happening with ICE is going too far”, referring to Immigration and Customs Enforcement. “Things must and have to change quickly and peacefully,” Stewart wrote to her 2.9 million Instagram followers this week. A man in handcuffs runs from federal immigration agents in Minneapolis.