When President Biden proposed an additional $24 billion in supplemental funding for Ukraine in August, Moscow spin doctors working for the Kremlin were ready to try to undermine public support for the bill, internal Kremlin documents show. In an ongoing campaign that seeks to influence congressional and other political debates to stoke anti-Ukraine sentiment, Kremlin-linked political strategists and trolls have written thousands of fabricated news articles, social media posts and comments that promote American isolationism, stir fear over the United States’ border security and attempt to amplify U.S. economic and racial tensions, according to a trove of internal Kremlin documents...