washington unite state pull regional hear hold tuesday discuss possible effect human right executive order sign u.s. president donald trump target immigrants refugees organizers say hear inter-american commission human right iachr create 35-nation organization american state oas protect human right americas follow concern impact three executive order sign trump include plan build wall border mexico u.s. government appeal federal judge halt trump ban refugees travelers six predominantly muslim countries trump say ban need protect country islamist militants immigration advocate say discriminate muslims maria isabel rivero spokeswoman iachr say unite state advise commission monday would attend panel include representatives number regional human right immigration group member state want represent nothing hear go ahead anyway rivero say state department spokesman mark toner say government lawyers felt would appropriate discuss executive order review u.s. court inform iachr inability attend particular hear ongoing litigation around executive order toner tell conference call reporters feel could address concern open hear add marselha goncalves margerin advocacy director amnesty international say lack u.s. representation panel show total disregard commitment human right say unprecedented member state focus hear attend panel opportunity unite state explain executive order u.s. attend hear last eight years say goncalves margerin fail present hear u.s. join cuba venezuela turn back people americas seek justice human right abuse u.s. pull human right panel trump executive order