The morning sky brightens over the U.S. Capitol, where lawmakers continue to posture and negotiate spending bills ahead of a looming U.S. government shutdown in Washington, U.S. September 28, 2023. REUTERS/Jonathan Ernst/File Photo Acquire Licensing Rights WASHINGTON, Sept 29 (Reuters) – If Congress fails to provide funding for the fiscal year starting on Sunday and the government shuts down, the effects will be felt around the world, with many workers furloughed from foreign policy and national security positions or ordered to work without pay. A shutdown could also dent the United States' reputation at a moment when the Biden administration…