Newsnight speaks to ex-footballer and Hull City legend Dean Windass, who was diagnosed with stage 2 dementia last year. He believes the fact he headed the ball 'tens of thousands of times' during his career is to blame. Plus, a deal is reached between the US and Ukraine which restores intelligence sharing and military assistance to Ukraine. We speak to Donald Trump's director for counter-terrorism Sebastian Gorka live from the White House. With Victoria Derbyshire.