FreedAmericansSiamakNamaziandMoradTahbazarewelcomedupondisembarkingfromajetatDohaInternationalAirportinQataronMonday.TheyandthreeotherswerereleasedinaprisonerswapwithIran.AFPVIAGETTYIMAGESFiveAmericansimprisonedinIranandtwooftheirfamilymembersarefreeafterbeingreleasedinaprisonerexchangetheBidenadministrationne-gotiatedwithTehran.AplanecarryingallsevenAmeri-cansleftIranMondaymorningandstoppedbrieflyinQatar.Itwasexpect-edtolandintheU.S.earlyTuesday.Theprisonerexchange,whilenotformallylinkedtostallednucleartalksbetweentheU.S.andIran,comesagainstabackdropoftensionsthatroutinelypushthetwocountriesto-wardapotentialmilitaryconfronta-tion.ItalsocomesaheadofaU.N.G...