group state attorneys general discuss whether file court challenge president donald trump order restrict people seven muslim-majority countries enter unite state officials three state tell reuters democrat attorneys general expect source fierce resistance trump much republican ags oppose former president barack obama lawsuit bring state would heighten legal stake surround president executive order sign late friday courtroom challenge ban far mostly file individuals officials offices attorneys general pennsylvania washington hawaii say saturday evaluate specific claim could file court believe executive order unconstitutional hawaii attorney general douglas chin tell reuters saturday decline give detail state could decide file unclear many state would ultimately sign effort certainly conversations underway say joe grace spokesman pennsylvania attorney general josh shapiro trump representative could reach immediately comment trump businessman successfully tap american fear terror attack campaign promise call extreme vet immigrants refugees areas white house say u.s. congress deem high risk tell reporters oval office saturday order muslim ban say measure long overdue however order hit roadblock late saturday federal judge new york say strand travelers could stay country american civil liberties union seek emergency court order say would help 100 200 people valid visa refugee status find detain transit u.s. airports trump sign order department homeland security say statement would comply judicial order trump immigration restrictions remain effect state discuss lawsuit trump immigration order