PHOTO: Representatives of the Tunisian National Dialogue Quartet, winner of the 2015 Nobel Peace Prize

This week’s Political WorldView, produced by the University of Birmingham and EA, asks if there is hope in the Nobel Peace Prize awarded to the Tunisian National Dialogue Quartet and if there is despair in the attitude of Britain’s Conservative Party to Europe.

Adam Quinn, Christalla Yakinthou, and Scott Lucas discuss — and sometimes disagree on — the answers. They also offer their Numbers of the Week: why does 17 take on a significance from Ukraine to Syria?