There's a new plan for deterring migrants from crossing the Channel and coming to the UK - but will it actually work? This week, Beth, Ruth and Harriet have a deep dive into one of the most divisive and defining political issues of our time: migration. In the week France's President Emmanuel Macron has been hobnobbing with the great and the good on his state visit to the UK, he's also agreed a new 'one in, one out' returns deal with the prime minister. So is this a breakthrough deal? Also - how