Letter to the Department of Health and Human Services; the Social Security Administration; the Treasury Department; the Department of Veterans Affairs; the Small Business Administration; the Agency for International Development; the Department of Housing and Urban Development; the Department of the Interior; the Environmental Protection Agency; the Department of Energy; the Department of Defense; the Department of Commerce; the Department of Agriculture; the National Aeronautics and Space Administration; the Office of Personnel Management; the Department of Transportation; and the Department of Homeland Security - Agency Explanation of Federal Workers on Long-term Paid Leave