Smith is an outspoken, MAGA-style firebrand who hasn’t managed to pull out a win in the area and would have been a more appealing (read: weaker) opponent for the freshman congressman in this swingy district. As I mentioned earlier, the 1st District has long been a Democratic stronghold — it hasn’t elected a Republican in over 140 years — but after redistricting, it was redrawn to become a tossup district, and is set to be the only real competitive Congressional race in North Carolina this fall.

—Kaleigh Rogers, 538

In North Carolina's 1st congressional district, Buckhout is projected to win the Republican primary, according to The New York Times. We wrote about this earlier, but her win comes on the strength of national Republican Party efforts to make her the nominee over two-time candidate in the district, Sandy Smith, a candidate with a more Trumpy profile. Buckhout will take on Democratic Rep. Don Davis in November.

—Monica Potts, 538

With more than 90 percent of North Carolina's expected vote in, we can now say more about the patterns in that state. First, Trump is romping statewide, with 75 percent to Haley's 23 percent. But where is Trump doing especially well? In counties with few people with college degrees, sure. But also in counties with lower population density and more Black voters. That said, it doesn't mean Trump is doing well with Black GOP voters — preliminary data from the North Carolina exit poll suggest that in fact non-White Republican primary voters were a bit less supportive of Trump than white Republican primary voters. Instead, Trump is doing especially well in the counties with more Black residents (regardless of whether they're voting tonight or not).

—Dan Hopkins, 538 contributor

With 81-year-old Rep. Kay Granger set to retire, the primary race to replace her in Texas's 12th District looks like it may go to the more establishment GOP candidate: state Rep. Craig Goldman, who is currently leading with 46 percent and 78 percent of expected votes in. He'll need to get 50 percent of the vote (plus one vote) to avoid a runoff with local businessman John O'Shea, a more Trumpian candidate who currently has 25 percent of the vote.

—Kaleigh Rogers, 538

In the early primaries and caucuses on the GOP side, a few patterns became clear. Donald Trump marched toward the nomination by winning most groups of Republican primary voters, but Haley proved a bit more competitive in pockets with large numbers of college-educated voters. Trump has expanded his 2016 coalition by winning more voters on the right, which we can see by his strength in places where Ted Cruz did well eight years ago. Haley, meanwhile, competes among moderates. Tonight, that meant dominant wins for Trump across a set of states, from Virginia and North Carolina to Texas and California. Among tonight's states, Virginia's demographics make it more friendly to non-Trump candidates — Rubio almost won it in 2016 — so Haley's failure to breech 40 percent there is yet another sign that she's able to win only a minority faction within today's GOP.

Overall, there isn't much surprise in tonight's Republican presidential results, beyond the question of whether Haley will eke across the 50 percent threshold and so take home all of Vermont's delegates. In part, that reflects the nationalization of presidential politics. In state after state, the same kinds of communities lean towards or away from Trump, so the results follow pretty consistently from a state's demographics and prior voting behavior. That makes for predictable patterns — and a less than surprising Super Tuesday.

—Dan Hopkins, 538 contributor