This word cloud was generated by scraping Trump's twitter account for July and August:
Compare to a word cloud from May:
'Great' is a keyword for Trump. Other recurring themes and key words include America(n), job, media, fake, news, Russia(n), election, healthcare/Obamacare and thank. Trump's twitter account tends to be more positive than negative - apart from Fox he doesn't trust the media so Twitter is his main way of communicating his message and that message is more positive than negative.