How are politicians promoting their message, and what happens when narratives go rogue? This week saw tensions over Labour MP Diane Abbott's place in the party following her return from suspension, manoeuvring in Holyrood over the vote to sanction former SNP health secretary Michael Matheson, and Tories talking taxation. As the general election campaigning continues, the team discuss how politicians and their parties try and broadcast a clear message to voters, and how they can control - or lose control of - the narrative as unexpected events happen.