A stark disagreement over regulating AI in Republicans’ tax cut and spending bill is the latest tension among conservatives about whether to let states continue to put guardrails on emerging technologies or minimize such interference.

The US Senate has voted nearly unanimously to remove a 10-year moratorium on the enforcement of state artificial intelligence regulations from Republicans’ sweeping domestic policy bill.

Critics of the controversial provision in the Big Beautiful Bill included a diverse group ranging from Marjorie Taylor Greene to the NAACP.