High-wire act on immigration
• The House speaker, Paul Ryan, narrowly defused a rebellion by Republican moderates Tuesday night by promising to hold high-stakes votes on immigration next week. He’s expected to present details this morning, but the move will most likely thrust a divisive issue to the foreground during the campaign season.
Our correspondents met asylum seekers from Central America, many of them children, who are camping along Mexico’s northern border — and waiting. “Our fate rests in God’s hands,” one said.
• And despite escalating trade threats between Canada and the U.S., the connections run deep between two towns on the Vermont-Quebec border.
The Trump effect on the primaries
Representative Mark Sanford lost in South Carolina after Mr. Trump urged voters to support the candidate’s rival. The political unraveling of Mr. Sanford, a former governor and a prominent critic of the president, “seemed both impossible and inescapable,” our reporter writes.
• And in Virginia, Republicans nominated Corey Stewart, a local official who has verbally attacked illegal immigrants and embraced emblems of the Confederacy, to challenge Senator Tim Kaine, a former Democratic vice-presidential candidate.