As one of the few pundits who correctly called the 2016 election for Donald Trump, it would be wise to rest on my laurels rather than risk another prediction, one that might turn out wrong.

But how would that be fun? Let the 2020 political prognostications begin!

The arithmetic of the 2016 Republican presidential primaries is repeating itself on the Democratic side in 2020: a big field of candidates, one of whom commands a plurality by virtue of name recognition — which implies higher "electability" — while his 20 or so opponents divvy up the rest of the single-digit electoral scraps.