After years of keeping his distance, Gov. Greg Abbott is set to address Texas Republicans’ activist-led convention as hard-line conservatives gain influence within the party.

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The man was confirmed to be dead after he had barricaded himself in a building in Midland, following an earlier shooting on Friday that killed one person and injured at least 11 others.

© KMID/KPEJ, via Associated Press

A runoff in the Dallas suburb of Frisco is testing whether anti-Muslim rhetoric, prominent in G.O.P. primaries this year, can win over a broader set of voters.

© Desiree Rios for The New York Times

The SpaceX I.P.O. will enable its founder to build — and scale — his peculiar vision of society.