Washington: The US might consider "enhancements" to the visa waiver program that permits citizens of 38 participating countries, including Australia, to travel to the US without a visa for stays of 90 days or less, as fears of terrorism grow, the US Homeland Security Secretary says. Nonetheless, the US should not put a temporary freeze on the program, Homeland Security Secretary Jeh Johnson said on Sunday. "No, I would not do...
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