washington u.s. president donald trump yet make decision whether formally recognize jerusalem israel capital adviser son-in-law jar kushner say sunday move would break decades u.s. policy could fuel violence middle east still look lot different facts make decision one want tell kushner say annual conference u.s. policy middle east organize brook institution think tank washington senior administration official say last week trump could make announcement wednesday kushner lead trump efforts restart long-stalled israeli-palestinian peace talk efforts far show little progress past u.s. presidents insist status jerusalem home sit holy jewish muslim christian religions must decide negotiations palestinians want jerusalem capital future state international community recognize israel claim city move unite state recognize jerusalem israel capital would fuel extremism violence arab league secretary-general ahmed aboul gheit say saturday senior jordanian source say sunday amman current president arab summit begin consultations convene emergency meet arab league organisation islamic cooperation trump expect declaration week trump still weigh whether recognize jerusalem israel 's capital kushner