Washington, July 17 -- In a move that could significantly affect foreign students in the United States, the Department of Homeland Security (DHS) has ended the decades-old "duration of status" policy, replacing it with fixed visa validity periods for international students, exchange visitors and foreign journalists. Under the new rule, foreign students and exchange visitors - including those already in the US - will be admitted only for the duration of their academic programme, subject to a maximum stay of four years. The rule, which also applies to J visas for exchange visitors and I visas for foreign media, is expected to take effect around September 15 after the mandatory congressional review period. P13 Canada pausing PR sponsorship applications for parents, P13...