Putin Signs New Doctrine Lowering Threshold for Russia Using Nuclear Weapons

Russia’s President Vladimir Putin has signed a new doctrine lowering the threshold for using nuclear weapons, his spokesperson said on Monday. The doctrine now states that an attack on Russia by any nation using conventional missiles supplied by a nuclear power will be considered a joint attack. The announcement, made via the Tass news agency, follows the Kremlin’s angry reaction to reports President Joe Biden had given permission for Ukraine to fire U.S.- and NATO-supplied missiles deep into Russian territory. According to anonymous U.S. officials who spoke to media outlets, Biden has authorized Ukraine to use long-range missiles provided by the Pentagon to strike targets in the Russian region of Kursk....