A federal judge has temporarily prevented the Donald Trump administration from detaining British anti-disinformation campaigner Imran Ahmed, marking a setback for the administration’s efforts to bar his presence in the United States. Ahmed, a U.S. permanent resident, had filed a lawsuit challenging an entry ban and potential deportation linked to his work combating online disinformation. The administration argues that Ahmed and several European figures have engaged in activities amounting to censorship and unfair targeting of U.S.-based technology companies. Why It Matters There is growing tension between the Trump administration and proponents of stronger oversight of online platforms, particularly in Europe,...