berlin chancellor angela merkel say global fight terrorism warrant put group people suspicion add u.s. president donald trump order restrict people seven muslim-majority countries enter unite state violate spirit international cooperation necessary decisive battle terrorism way justify put group certain people general suspicion case people muslim belief certain origin merkel tell news conference berlin opinion act run contrary basic principles international refugee help international cooperation say chancellery foreign ministry everything especially dual citizens affect clear legal ramifications emphatically represent interest law add clearly close consultations european partner entire issue merkel say u.s. travel ban justify terror fight