caracas venezuelan president nicolas maduro whose top political ally accuse washington deal illegal narcotics friday offer help u.s. president donald trump fight drug trade top venezuelan officials include vice president tareck el aissami interior minister nestor reverol blacklist u.s. treasury allegations help move drug neighbor colombia north america maduro call charge smear campaign insist unite state must reduce drug consumption president trump really want fight drug traffic destroy u.s. youth fill country drug colombia ally maduro say televise broadcast come find experience join force provide detail maduro repeatedly excoriate trump sanction venezuela range restrictions u.s. bank buy newly issue debt bar american citizens deal specific individuals government trump administration slam maduro decision create all-powerful legislature call constituent assembly august opposition international community decry move consolidation dictatorship maduro u.s. sanction past request meet trump white house respond one entreaty year say meet venezuela president country return democracy venezuela 's maduro offer help trump fight drug