washington days chaos airports confusion detail president donald trump immigration executive order fellow republicans join democrats say congress might need consider legislation address new policies republican senator bob corker chairman senate foreign relations committee say early know implications trump order ban travel unite state citizens seven majority-muslim nations lawmakers might eventually need step modify seriously still know implications happen think trump administration know implications happen tell reporters u.s. capitol may well need legislative fix executive order trump release friday travelers iran iraq libya somalia sudan syria yemen may enter unite state least 90 days homeland security secretary john kelly others determine whether enough information available screen democrats senate house representatives introduce bill rescind trump order measure expect go anywhere republican-led congress senator john mccain republican chairman senate arm service committee criticize order say could weaken u.s. counterterrorism efforts blast bar iraqis risk live work interpreters u.s. force already undergo extensive screen mccain democratic senator jeanne shaheen lead push pass legislation last year provide visa iraqis mccain say think iraq trump list say could invite retaliation baghdad say iraq lump frequent u.s. nemesis iran comparison thousands americans fight iraq speak iraqis decide ok go let contractors work u.s. force ... visa come country mccain ask iraq prime minister tuesday say country would retaliate trump travel ban iraqi nationals want lose washington cooperation war islamic state mccain say whether legislation need would depend executive order implement time let see mccain say general kelly today make significant change initially publicize let see do trump immigration order may require legislation u.s. lawmakers