US-Russia nuclear treaty to expire
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Russia and Ukraine Resume Talks
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US Vice President JD Vance said Washington may cooperate with Russia in specific areas despite the war in Ukraine.
Trump's Greenland focus highlights urgent Arctic security needs as Sen. Sullivan reveals new U.S. defenses against Sino-Russian threats in Alaska.
U.S., Russian and Ukrainian negotiators are back around a table for a second round of technical talks, but in Kyiv, Russian bombs bring suffering and skepticism.
Ukrainian President Volodymyr Zelenskyy urged "maximum pressure" on Russia after Moscow fired hundreds of drones and missiles into Ukraine. ABC News' Patrick Reevell reports.