washington u.s. house speaker paul ryan unveil national security policy feature strong defense thursday part agenda unify republicans divisive primary campaign soften hard line take party presumptive presidential nominee donald trump plan sharply critical president barack obama blame democrat eight years break promise concessions retreat syrian civil war nuclear deal iran chilly relations russia deal bellicose north korea would overturn back away obama ally see foreign policy achievements include iran deal move toward normal relations communist-ruled cuba criticize efforts close guantanamo detention center much say enemies long fear us many ally long trust us think direct result president foreign policy ryan say house republicans introduce plan council foreign relations provide figure plan also call end military rollbacks demand adequate predictable budget trump ryan endorse presidential race make promise erect massive wall along mexican border centerpiece campaign plan announce thursday include range border security measure high fence aerial surveillance radar large wall plan echo trump concern muslim immigrants call tighten refugee screen discussion ways prevent radicalization youths must constantly reassess defenses order find close security gap islamist militants slip country undetected ryan plan say representative michael mccaul chairman house representatives homeland security committee say intention target followers one religion everything possible admit would attack americans target threat make sure come say mccaul one several republican committee chairmen join ryan report presentation plan isolationist take strong line battle militants abroad say unite state must keep options table eliminate terrorist sanctuaries trump critical u.s. alliances ryan plan contrast underscore importance nato also include many standard republican policy prescriptions strong tie israel advocacy severe sanction iran insistence washington stand russia also call trade agreements say foreign aid program make recipient countries self-sufficient plan call increase security diplomats facilities overseas context mention 2012 attack benghazi many republicans cite criticize then-secretary state hillary clinton trump rival white house race several thursday speakers criticize clinton blast obama foreign policy nation top diplomat first four years term democrats seek tie plan trump controversial statements include rejection alliances like nato advocacy waterboarding call attack families terrorist suspect perhaps agenda light detail republican presidential candidate offer truly disturb vision america role world representative eliot engel top democrat house foreign affairs committee say statement ryan country highest-ranking elect republican describe agenda way offer voters coherent policy message 2017. unveil anti-poverty agenda monday initiatives regulation constitutional authority healthcare tax reform expect come weeks house speaker ryan security agenda veer trump 's