Make no mistake: Democrats won by epic, sometimes historic margins across red and blue states, up and down ballots, obliterating almost everything President Trump, and a Republican Party remade wholly in his image, built over the past decade in American politics.

Why it matters: Trump and Republicans are left with a mostly white, mostly old House and Senate minority, confronting a younger, more diverse ascendant Democratic Party with power and margins it hasn't held in 18 years, since the dawn of the Obama era.

The results speak louder than any words we can write:

Democrats won Senate races in Texas, Kansas, South Carolina, Ohio, and perhaps Mississippi en route to what could be a 55-seat majority.

Democrats won swing districts all across red America, with national average margins of victory of roughly 13 points, according to a New York Times estimate.

Texas is now a Democratic state, top to bottom — unthinkable mere months ago. James Talarico crushed Ken Paxton (55% to 43%) like it was Connecticut.…