washington u.s. secretary state rex tillerson signal wednesday unite state could back away minsk agreement end fight ukraine tell congressional hear trump administration want handcuff tillerson say possible ukrainian government could come agreement moscow outside structure 2015 accord think important give sufficient flexibility achieve minsk objectives possible government ukraine government russia could come satisfactory resolution structure minsk tillerson tell house foreign affairs committee caution want handcuff minsk turn party decide settle another different agreement say minsk peace agreement broke france germany sign russia ukraine february 2015 call ceasefire withdrawal heavy weapons front line constitutional reform give eastern ukraine autonomy washington focus potential trump administration tie russia lawmakers insist sanction russia lift comply agreement tillerson respond representative eliot engel committee rank democrat ask u.s. interest relax sanction russia fully comply engel say approach suggest tillerson would send wrong signal russia think somehow will relax sanction comply minsk framework leave crimea think encourage putin continue bully engel say know strike next tillerson speak wide-ranging budget hear also discuss trump china policy say expect administration complete review afghan policy come weeks many members u.s. congress include trump fellow republicans disagree sharply proposal slash foreign aid spend diplomacy trump want sharp increase military spend see propose cut way help balance budget critics say approach would pose threat country security weaken so-called soft power program win international support u.s. n't want 'handcuffed ukraine agreement