. >> announcer: this is "nbc nightly news" withthester holt reporting tonight from havana. >>> good evening. it has been a day rich in historic symbolism, brass tac diplomacy and a silver anniversary of raising mistrust will be tough. president obama met face-to-face on cuban soil with 48-year-oldd president raug castro. the first meeting on cuban soil since diplomatic ties were re-established. afterwards they emerd for what turned out to be a tense give and take with the press, ending with this awkward clasping of the hands showing this relationship is still very much a work in progress. our andrea mitchellll was among the few called on at the press conference and joins me now. it was uncomftable to watch this. >> reporter: it's uncomfortable and it's clear raul castros does not do press conferences. that's was part of it. the two leadede agreed to disagree on the u.s. and cuba, chiefly the u u. trade embargo which president obama would like to end and cuba's treatmentf dissidents, testing the boundaries of a new relationship. it was a day of historic firsts. the handshake on cuban soil. t