washington group republican lawmakers send letter president donald trump friday urge reverse former president barack obama open cuba even white house aid move close complete plan could tighten rule trade travel island cuba policy review approach final stag side issue step lobby sway trump decision far go roll back measure obama implement 2015 breakthrough america former cold war foe letter seven trump fellow republicans express deep concern consider rescind obama policies say move would incentivize cuba become dependent countries like russia china warn reflect grow unease capitol hill return contentious approach communist-ruled cuba even within republican party traditionally hew hard line havana senior officials national security council meet friday craft recommendations send principals committee trump top foreign policy advisers president people familiar matter say though divisions remain within administration trump could make announcement within weeks possibly early mid- late june speech miami u.s. officials say speak condition anonymity trump change expect stop short break diplomatic relations restore two years ago five decades hostility administration officials say among options consideration ban u.s. company business cuban enterprises tie military tighten rule americans travel accord people familiar discussions white house official ask late meet say cuba review still way final u.s. airline travel industries make clear want see reinstatement cuba restrictions trump come heavy pressure cuban-american lawmakers include senator marco rubio representative mario diaz-balart roll back obama rapprochement hope administration do review let one two voice overwhelm interest unite state representative tom emmer signatory letter tell reuters one four pro-engagement republicans meet white house officials thursday emmer say urge administration go far roll back obama measure trump threaten shortly election november terminate obama approach unless cuba make concessions something unlikely obama implement normalization measure executive action trump power undo much republican lawmakers urge trump reverse cuba open