The Democrats flipped their first Senate seat of the night. Our national political correspondent Shane Goldmacher explains why this wasn’t a surprise, and why it’s one of at least four seats the party needs to win to secure a majority in the Senate.

Polls show some kind of “wave” seems likely for the Democrats in this midterm election. But will it translate into Democrats flipping the House and Senate? Nate Cohn, our chief political analyst, outlines four possible scenarios.

Ana Ionova examines how the Brazilian presidential candidate Flávio Bolsonaro is making crime and safety the center of his campaign, following a right-wing playbook from other Latin American countries.

A 3-D reconstruction reveals why multiple apartment towers toppled in the earthquakes that struck Venezuela in June. Our reporter Julie Turkewitz examines how structural flaws — not just the strength of the quakes — left the towers vulnerable to collapse.