Zack Polanski’s Leadership

What does victory - or defeat to Labour - mean for Green Party leader Zack Polanski in the Holborn by-election? Where will it leave his leadership? And when will he answer questions about party members backing a conference motion that 'Zionism is racism'? He didn't vote in that, but has it affected the result here in Holborn?

And in a Newsnight exclusive, we'll hear from Hollywood superstar Cate Blanchett about her new refugee film initiative Allies in Exile. With Katie Razzall.