Washington (AFP) – The US government’s two-year-old policy of invoking Covid-19 precautions to turn away hundreds of thousands of migrants at the Mexican border will remain in place for now, the Supreme Court ruled Tuesday. The decision to uphold the controversial rule known as Title 42 delayed a looming political crisis for President Joe Biden, as thousands waited at the southern border in expectation the policy was about to end. But the conservative-dominated high court accepted a petition from 19 states warning of a surge of migrants should the policy introduced under former president Donal…