21st century wire say week historic international iranian nuclear deal punctuate two-way prisoner swap washington tehran end quite way everyone expect iranian side one u.s. citizens detain iran nosratollah khosravi-roodsari stay iran u.s. side iranians hold u.s. prisons show flight geneva prisoner exchange least elect stay u.s tehran side iran u.s. prisoners release make way germany via switzerland.will robinson daily mailnone iranians free prisoner swap return home could still unite state reported.the seven former inmates release part deal islamic republic show get flight geneva switzerland exchange set take place sunday.three iranians decide stay unite state abc report move families however know four are.three americans detain iran washington post journalist jason rezaian former u.s. marine amir hekmati christian pastor saeed abedini leave tehran around 7am day meet counterparts switzerland continue story mail onlineread iran news 21st century wire iran file seven iranians free prisoner swap return iran