san francisco, (pakistan point news – 8th feb, 2017): a us appeals court has posed tough questions at those challenging and defending president donald trump's controversial travel ban. the three-judge panel raised questions over the limits on the president's power and trump's evidence to link the seven countries to terrorism. there was an hour of oral arguments from both sides. the justice department was first to make its case, urging the appeal judges that by resisting the ban they are interfering in national security issues. to which judge answered that it is the duty of the court to keep check on government's orders.