A federal judge has blocked the Trump administration's rules requiring so-called sanctuary cities to help enforce federal immigration laws in order to receive funding. U.S. District Judge Harry Leinenweber issued a nationwide preliminary injunction against the Department of Justice (DOJ) on Friday after Attorney General Jeff Sessions announced new rules governing DOJ law enforcement grants, The Chicago Tribune reports. The city of Chicago sued the Trump administration last month over the DOJ’s threat to withhold those grants from so-called sanctuary cities, which refuse to help federal authorities enforce immigration laws. Leinenweber said in his 41-page ruling that Chicago had shown...