In a conference today, Nick Clegg is expected to undermine Home Secretary Theresa May's suggestion that Britain could pull out of the European Convention on Human Rights.
"She wants this option to remain on the table: no chance," he will say.
"As I said last weekend, it won't be on the Cabinet table as long as I'm sitting round it.
"That's why having Liberal Democrats in government, anchoring it in the centre ground and delivering for Scotland, is so important."
More top news
The news was announced on Instagram by director Spike Lee who described him as a "dear friend" and "a great actor".
In a statement the pair said they remained "great friends" and "will continue to support each other".
The comedian has handed over a not-for-profit cafe he opened last year to a charity that helps ex-prisoners and recovering addicts.