Tensions among Russia's disparate forces are spilling into the open as the Ukrainian military appears to be putting more pressure on them, increasing concerns among some prominent war supporters ahead of Kyiv's announced counteroffensive.
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The U.S. is wiring Ukraine with sensors that can detect bursts of radiation from a nuclear weapon or a dirty bomb and can confirm the identity of the attacker. In part, the goal is to make sure that if Russia detonates a radioactive weapon, its atomic signature and Moscow's culpability could be verified.
More than a year into President Vladimir Putin's invasion of Ukraine, the web of global trade has adjusted to Western sanctions, with a network of middlemen sending cars, electronics and more to Russia.