Negotiations over a bipartisan agreement to provide continued U.S. military assistance to Ukraine are in danger of stalling due to Republican demands for major changes to the nation’s immigration laws and border policies. Progress is being made, but time is running out before the Senate adjourns for the year, and the election year could make it even harder to secure a deal. President Biden and Ukrainian President Zelenskyy are both appealing to Congress to pass the aid package, but it is unclear if it will be able to pass.