our national security. >> the president fiercely defended his swift rollout of the band. mr. trump tweeting "if the band were announced with a one-week notice, they would rush in to our country. a lot of bad dudes out there. >> some have sought to prevent deportations. others want to delay implementation. 16 attorneys general have filed suit in washington state seeking to have the order declared unlawful. >> it was a clumsy, odd way to rollout something of this importance. none of that is a legal challenge. the question for the court is limited. does he have the authority to do what he did? past cases suggest he does. >> former president obama waited today. spokesperson saying he supports