Challenges to Trump's travel ban abound in courts across U.S.

A U.S. appeal court’s refusal to reinstate a temporary travel ban on refugees and citizens from seven mainly Muslim countries is a setback for U.S. President Donald Trump’s sweeping immigration agenda, but the government is pressing ahead on multiple legal fronts. The administration will continue to defend the executive order - both in the Washington case that produced Thursday's ruling and possibly at the Supreme Court - and in more than a dozen additional lawsuits now moving throug