[The stream is slated to start at 9:45 a.m. ET. Please refresh the page if you do not see a player above at that time.]
Office of Management and Budget Director Mick Mulvaney is expected to testify on Thursday at a Senate Budget Committee hearing on the 2018 budget.
The White House is seeking to slash federal spending by $3.6 trillion over the next decade via steep cuts across most agencies and tough new restrictions on aid to the poor.
Read more:
White House 2018 budget proposal is out, and it slashes the social safety net
--CNBC's Ylan Mui contributed to this report.