China hints at retaliation after US tightens visa rules for students and journalists

China lashed out on Friday at “discriminatory” new US visa regulations targeting students and journalists among other groups and warned that it reserved the right to take reciprocal countermeasures. The changes, announced by the Department of Homeland Security on Thursday, have also fuelled concerns among Chinese students already in the United States and those planning to study there. Under the new regulations, part of a White House crackdown on both legal and illegal immigration, student and...