Zelensky hails US security guarantees in Berlin talks, but territorial disputes persist.

• Ukrainian President Zelensky reported "real progress" in Berlin talks with US envoys regarding security guarantees to end the war with Russia.
• The US offered "robust, NATO-like security guarantees" to Ukraine, which officials believe Russia would accept as a potential breakthrough.
• Zelensky welcomed the security guarantees but highlighted persistent differences over territorial concessions to Russia.
• German Chancellor Merz expressed optimism, calling the talks a "chance for a real peace process" and praising the US for "substantial" guarantees.
• US officials indicated the deal includes "Article Five-like" guarantees but also want Ukraine to cede control of the eastern Donbas, which Kyiv refuses.

Why It Matters: US security guarantees offer Ukraine a potential breakthrough in the Russia conflict.