home, but the optics of a trader to people who are actual spies, targeting southern command and spying for a foreign government is somewhat troubling. martha: if concessions are to be made one might think that would have been an appropriate negotiating tool to get mr. gross back. >> the u.s. government, it's heartening how much we do pay attention to our citizens who are held abroad. but we are a government with interests and we have to defend the united states. despite the fact of its relative size and intense poverty as a result of this government system, cuba causes very serious problems and does things that are dangerous for the united states and in the united states. we have to keep that in mind first and foremost. look at the track record. does diplomatic engagement lead