A Negative KL Penalty Doesn't Mean Your AI Agent's Reward Calculation Is Broken

Editorial illustration of a tanker, shipping containers and documents representing trade restrictions.

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EU sanctions on Russia explained: the tools, the targets and the limits

Asset freezes, export controls and oil restrictions work in different ways. This guide explains how to read sanctions announcements and what evidence is needed to judge their effects.

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Conceptual illustration of a house key, map and suitcase representing displacement and return.

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Ukraine’s war-displaced families: why returning home does not end the crisis

Russia’s war in Ukraine has made returning home more complicated than crossing a border. Understand the housing, livelihood and service barriers behind displacement and lasting recovery.

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Editorial illustration of electricity pylons and illuminated homes at dusk.

newsGlobal original

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Ukraine’s energy war: why repairing the grid is more than restoring electricity

Power lines, heating, imports and repair funding all shape Ukraine’s resilience. A sourced explainer on what energy headlines reveal—and what they cannot tell us about the coming winter.

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A Negative KL Penalty Doesn't Mean Your AI Agent's Reward Calculation Is Broken

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EU sanctions on Russia explained: the tools, the targets and the limits

Ukraine’s war-displaced families: why returning home does not end the crisis

Ukraine’s energy war: why repairing the grid is more than restoring electricity