• President Recep Tayyip Erdogan of Turkey refused to meet John Bolton, Mr. Trump’s national security adviser, saying that Mr. Bolton made a “grave mistake” when he said that Turkey must agree to protect Syria’s Kurds in the event of an American withdrawal.
• Emboldened House Democrats, seeking a politically charged debate on gun control, unveiled legislation to expand background checks to nearly all firearms purchases.
• The federal budget deficit continues to rise and is on pace to top $1 trillion for the 2019 fiscal year, as increased revenue from Mr. Trump’s tariffs fails to keep up with losses from his signature corporate tax cuts.
• Writing his first Supreme Court opinion for a unanimous court, Justice Brett M. Kavanaugh said that arbitrators rather than judges must decide whether disputes should be arbitrated.
Today’s On Politics briefing was compiled by Isabella Grullón Paz in New York.
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