WASHINGTON — United States government officials said on Wednesday they will screen the social media of immigrants and visa applicants for what they called antisemitic activity, leading to swift condemnations from rights advocates, including some Jewish ones, who raised free speech and surveillance concerns. This new policy announcement came the same day that school administrators across the state said that dozens of students, including 19 from the University of Texas at Dallas, had visas revoked. President Donald Trump’s administration has attempted to crack down on pro-Palestinian protests over U.S. ally Israel’s devastating military assault on Gaza after Palestinian Islamist group...