US Fed chair investigation and central bank independence

John Vincent of fast food chain Leon tells Will Bain what he sees in the future of the business - including how he thinks weight-loss jabs will be good for the company.

Our weekly panel looks back at a week of news that's included announcements on rail in the north of England, another government policy U-turn and charges against the chair of the US central bank.

And interest in going vegan for the month of January could be fading - one plant-based food producer tells us why they've moved on from the campaign.