• Mr. Trump said Chinese manufacturing would “crumble” if the country did not agree to the United States’ trade terms, as a closely watched index signaled a contraction in United States factory activity for the first time since 2016.
• In response to the shooting in its El Paso store last month, Walmart said that it would stop selling certain types of ammunition that can be used in military assault rifles.
• The next arena for criminal justice reform: housing. Criminal justice changes have focused on getting people out of prisons, but once they are released, they have struggled to find a place to live.
• All around Florida, a scramble was underway to move older residents, who are particularly vulnerable in storms, to safety as a weakened but still dangerous Dorian threatened the state’s Atlantic Coast.
• British lawmakers on Tuesday rose up against Prime Minister Boris Johnson, moving to prevent him from taking the country out of the European Union without a formal agreement. It was a big defeat for Mr. Johnson. And for, British voters, a possible trip back to the polls.