mr. trump's behavior is a stark reminder that what he says and does online is a reflection of the american brand on the world stage. comes ahead of a meeting in hamburg with russian president vladimir putin. relations with moscow, deconfliction in syria, nato expansion and election meddling among many possible subjects. continuing his preparation for the summit, he spoke with the leaders of germany, france, and italy. a weekend conversation with his chinese counterpart xi jinping. coming on the heels of increasing tensions with beijing thanks to an arms deal with taiwan. the presence of the u.s. naval vessel in the south china sea and of course china's inability or unwillingness to reign in north korea. critics argue his penchant for pug nation's self-promotion online is distracting, even dangerous. white house officials are doubling down. >> roughly 163 tweets sent out