something that iran would not accept. these negotiations from the beginning have been focused on the nuclear program, other issues whether terrorism recognition of israel or something the west the u.s. had agreed to keep off the table regardless of what happens with this legislation it does look like it will pass even if congress blesses this agreement, this is a foreign policy legacy defining achievement of this administration in its view. it is something they consider and the president considers his own territory and to have congress thrust itself into this space is something the administration was clearing battling back and if they lose on this that s a loss. that s taking it on the chin from the administration. doesn t mean they lose the deal but it puts congress in a place where the president feels he should have his prerogative. the president sees this as a legacy issue and the opening towards cuba in the final two years of his administration. see what happens on the senate f