WASHINGTON — As the fight in Ukraine has dragged on for the past year, another battle has unfolded in parallel: a war of words between Russia and the West over who is more interested in ending the conflict peacefully. For now, analysts and Western officials say, serious peace talks are extremely difficult to envision. Both sides have set conditions for negotiations that cannot be met anytime soon, and have vowed to fight until victory. And Ukraine’s president has ruled out dealing directly with