I saw xenophobic demagoguery before and can recognize it now too.

Climate science denial.

Naïve belief that international negotiations can be handled akin to leveraged real estate deals.

Unclear level of deference to Putin and certain Russian interests.

Extreme petty vindictiveness, even exceeding Nixonian level.

Likelihood of poor quality Supreme Court nominees.

Silly wall proposal and even sillier deportation notions.

Alienation of traditional US allies.

Increase in divisiveness in political discourse and normalization of more overt anti-minority rhetoric and action.

Source: QUORA