"A total withdrawal from Donetsk would create vulnerabilities for Ukraine militarily because some of its most robust defenses are there, former U.S. officials and experts say. “Ceding those defenses would position Russia to reattack in the future with more of an advantage,” said David Shimer, a former National Security Council official during the Biden administration, who is now a scholar at Columbia University’s School of International and Public Affairs.

“The transition isn’t accelerating as fast as some people had hoped,” Jason Bordoff, the head of the Center for Global Energy Policy at Columbia University said. “Some of the rosier projections that oil, gas and coal might fall faster aren’t bearing out.”

"Humanitarian assistance—not just food but also water, shelter and medical care that meets the needs of all Gazans—can and must get back on track," writes Jacob J. Lew.

Noah Kaufman, a former adviser to Barack Obama and Joe Biden who is now at Columbia University, argues that climate policy in America has a “path dependency problem.”

Earlier this year, the New York Fed and Columbia University’s School of International and Public Affairs (SIPA) co-organized the sixth annual State-of-the-Field Conference on Cyber Risk to Financial Stability.

"I would not make any big deal of this," Robert Y. Shapiro told Newsweek. "With so many polls being done, results that look like outliers or noteworthy changes need to be treated as possible due to normal sampling error, where you can get what looks like an outlier one out of twenty times."

Aaron Bartnick, a former Biden official now at Columbia University’s Center on Global Energy Policy, said there was no obvious reason for Washington to have pivoted so quickly on the security risks of the chips.

Glenn Denning explains to NSW Country Hour that tackling food security in SE Asia may be the best way for Australia to keep the peace. 

Sanctions are more effective at pushing a country to change its behavior than tariffs, said Edward Fishman, a former State Department official and current scholar at Columbia University who has written a new book on economic warfare.