What does Sinn Fein's victory mean for the UK's future?

For the first time, the nationalist party Sinn Fein has won the largest number of seats in Northern Ireland's parliament. What's behind this political shift? And what does it mean for the future of the United Kingdom? Join host Nastasya Tay. Guests: Duncan Morrow - Professor of Politics at Ulster University. Nicholas Whyte - International Affairs Strategist and Senior Director in Brussels for APCO. Graham Gudgin - Research Associate at the University of Cambridge and a Former Special Adviser to First Minister David Trimble in the Northern Ireland Assembly.