it's tragic and the united states by all means apologizes to all of those that will -- were impacted by this. >> welcome back to "hardball." that was of course white house press secretary robert gibbs on the news about that in 1940s, actually 1946 to 1948 the united states government researchers deliberately injected guatemalans down in that country from sexually transmitted disease from medical study. president clinton called the president of guatemalan. president obama did the apologies to all those affected. robert brazell and nbc news health and science chief correspondent. robert, thank you for this. you know it despirits me, i love these country, and when i hear done these things like innes to