A federal judge temporarily blocked enforcement of Alabama's new law cracking down on illegal immigration, ruling Monday that she needed more time to decide whether the law opposed by the Obama administration, church leaders and immigrant-rights groups is constitutional. The brief order by U.S. District Judge Sharon L. Blackburn means the law won't take effect as scheduled on Thursday. The ruling was cheered by opponents who have compared the law to old Jim Crow-era statutes against racial integration. But Blackburn didn't address whether the law is constitutional, and she could still let all or parts of the law take effect...