STORY: Asked if he was concerned that the United States would not be able to deliver the aid that it has promised to Ukraine because of the disarray on Capitol Hill, Biden said: "It does worry me ... but I know there are a majority of members of the House and Senate in both parties who have said that they support funding Ukraine."Biden also called on political leaders to change the "poisonous atmosphere" in Washington and work on a new spending plan a before hastily-approved short-term measure expires in weeks.The comments come a day after a small group of Republicans ousted U.S. House of Representatives Speaker Kevin McCarthy from the role of Speaker, creating chaos in the legislative body.