Kimberly Marten said “all the indications that we have is that this was a Russian military operation to take out Prigozhin.”

Kimberly Marten surveys Russia’s private militia scene in this audio program.

Kimberly Marten said the crash was not unexpected — “We know that Putin takes revenge on people who are disloyal,” she explained.

Kimberly Marten says the Wagner Group's leader “was a convenient person for Putin to have gotten out of the way so that other people in the Kremlin can take over the business.”

Jason Bordoff says the market has rewarded prominent energy companies that have walked back on “commitments they made to move away from oil and gas and toward clean energy.”

Takatoshi Ito writes: “China’s real-estate sector is buckling under the weight of falling prices, a huge and growing inventory of unsold units, and highly indebted developers.”

It's always more expensive to not invest in electric grids, says Melissa Lott of CGEP.

Russia expert Kimberly Marten discusses President Vladimir Putin, the leader’s apparent retaliation for the June mutiny by Wagner Group forces, and more.

The SIPA professor and former Philadelphia mayor visited this Philly-based podcast to talk about his life and career, from childhood to the present day, and more.

Robert Shapiro questions the Florida governor's strategy, noting that “there are not enough Republican voters to be gained to the right of Trump.”