Key facts
- Senator Tom Cotton, the No. 3 Senate Republican, has expressed concerns about President Donald Trump's Iran deal.
- Hegseth's reconciliation efforts are reportedly not succeeding.
Senator Tom Cotton, identified as the No. 3 Senate Republican, has publicly stated his "concerns" regarding an Iran deal associated with President Donald Trump. Separately, reports suggest that efforts by an individual named Hegseth to achieve reconciliation are not proving successful.