One day ahead of his official exit from Congress, US Rep. Ken Buck (R-CO) agreed to sign his Democratic colleagues’ foreign aid discharge petition — becoming the first Republican to do so “amid GOP concerns about surrendering the House floor to Democrats,” according to Axios. Per Axios, the petition “would force a vote on the Senate’s $95 billion aid package to Ukraine, Israel and Taiwan,” which House Speaker Mike Johnson (R-LA) still refuses to bring to the House floor in order to appease his ultraconservative colleagues. Buck’s move comes two days after the far-right House Freedom Caucus vot…