mark landler joins me from washington. welcome. >> good to be here, john. >> hockenberry: mark, would you say this is a test of the relationship between merkel and trump? seems to me always when i look at the body language merkel that she, from the beginning, has not known what to make of this man. is that settling down, is there more of a clarity here? >> well, i think, john, that angela merkel is someone who's used to dealing with mercurial sort of testosterone-style men, if you l. she's dealt with vladimir putin in russia, berlusconi in italy, xi jinping in china, erdogan in turkey, and now she's dealing with donald trump in the united states. the u.s. is such a major trading partner and ally of the u.s. that merkel has to figure out how to work with the new american president, and i think that's what you saw today. whatever she may make of him -- and it would be wonderful to know what her inside or interior oughts are -- she was going to make this relationship work. she came to washington to try to find some common grou