Alastair Campbell was Tony Blair's communications chief and is now one of the UK's most sought after political commentators; The Rest is Politics, his podcast with Rory Stewart, is essential listening for anyone who wants a fresh perspective on what's going on in Westminster. Alastair's new book is But What Can I Do?, a guide to how all of us can get involved in fixing politics. He joined us live on stage in conversation with Sky News political editor Beth Rigby to tell us more.

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