Analysis: Trump wants a 2016 repeat in a very different year

In the summer of 2016, Donald Trump was trailing in the polls. With time running out, he changed up his campaign leadership team, though not his own mercurial behavior. Four years later, and in the midst of another summer slump, Trump is hoping a similar campaign shakeup will help put him on the path to another come-from-behind victory in November, this time against Democrat Joe Biden.