These cities are blanketed with wildfire smoke. Here’s what to know about bad air quality.

A May 29 article in the IMF’s F&D Magazine argues in favor of using U.S. tariffs as a policy tool. It begins by questioning the argument for free trade, claiming that economists have based U.S. and global trade policy on theoretical models rather than empirical evidence: “Tariffs were not tried and found wanting but rejected…

The new Theodore Roosevelt Presidential Library opened on July 4 in Medora, North Dakota. The location may seem surprising because Roosevelt was a New Yorker: he was born in Manhattan, buried in Oyster Bay, has a memorial along Central Park, and spent most of his adult life at Sagamore Hill on Long Island. A presidential…

While SpaceX is due to join the Nasdaq-100 on Tuesday, it won’t become part of the S&P 500 for at least another year — likely furthering the volatility spread between those two indexes.

Frustrated at the collapse of his poorly-considered Memorandum of Understanding with Iran, President Trump has declared the US will reimpose its blockade of the Strait of Hormuz and begin charging a 20 percent fee for passage. It’s genuinely astonishing for the government of the United States to blithely repudiate one of its most important contributions to international order. The US has…

AI models are developing rapidly, and Washington may be struggling to keep pace with the cybersecurity vulnerabilities they may expose. President Trump’s June executive order attempts to narrow that gap by creating a voluntary framework for certain frontier models and directing federal agencies to strengthen cyber defenses, identify vulnerabilities, and coordinate patching. But the order…