Russia President Vladimir Putin is preparing for a long war in Ukraine, with even victory in the east potentially not ending the conflict, US intelligence has warned.
The warning comes as fierce fighting continues in the east, where Russia is trying to take territory.
Moscow refocused its troops on capturing the Donbas region after Ukraine resisted attempts to take its capital, Kyiv.
But despite this, its forces remain in a stalemate, US intelligence said.
Avril Haines, the director of…