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THE UKRAINE DIARIES — When I first visited Ukraine with The Cipher Brief in May, just ahead of the much-anticipated third Ukrainian counteroffensive, western commentators and media had raised expectations for dramatic Ukrainian breakthroughs. By contrast, Ukrainian military and civilian leaders were confident of success, but more muted in expectations. They did not predict or expect a Russian rout. Rather, knowing what they faced and that the going would be tough, they saw this as one phase of a long campaign.

Energy economist Severin Borenstein, Professor of the Graduate School at the Haas School of Business at the University of California, Berkeley, discussed the many significant challenges facing the nation’s electricity power sector in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.

Stephen Walt critiques Vivek Ramaswamy's claim of being a foreign policy realist.

The Cold War started earlier than we think — and maybe never ended at all. Historian Calder Walton says understanding the US-Soviet conflict prepares us for this era of tensions with Russia and China.

Joseph S. Nye writes that following the first Republican debate of the U.S. presidential primary season, there is good reason to worry about what a Republican victory in 2024 would mean for the U.S.-led global order. History suggests that when Americans embrace retrenchment, much more than just liberal internationalist principles suffer for it.

Juliette Kayyem writes that the government is trying to suppress the message that insurance companies are sending about climate change.

Juliette Kayyem writes

Calder Walton recounts the succession of intelligence failures against the West over which Russian President Vladimir Putin has presided, the greatest of which being his decision to invade Ukraine.

Former International Security Program Research Fellow Rebecca Weiner is profiled by the New York Times after becoming the New York Police Department's deputy commissioner of intelligence and counterterrorism. The former deputy commissioner of the bureau, John Miller, in 2014, said she had a "remarkable" ability to recognize how security threats were changing.

Energy economist Karen Palmer, renowned for her research on the nation’s electric power sector, shared her insights on electricity regulation and deregulation, carbon pricing, and climate change policy in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.”