Rep. Al Green (D-Texas) questioned Housing and Urban Development Secretary Ben Carson Monday at a congressional hearing on proposed HUD budget cuts of $6 billion.

Rep. Al Green (D-Texas) (left) questioned Housing and Urban Development Secretary Ben Carson (right). (Screengrabs from news video)

Green pressed Carson for an itemization of the cuts, starting with cuts to public housing. After tossing around the numbers in his head, Carson said public housing cuts would be โ€œin the neighborhood ofโ€ $2 billion to $3 billion.

Sparks began to fly when Carson declined to reveal how much his department plans to cut from housing vouchers and community development block grants.

โ€œIf you donโ€™t know, I will accept that as an answer,โ€ Green told Carson, who eventually said he knows but doesnโ€™t โ€œwant to open the books and look at the numbers.โ€  Moreโ€ฆ.