Movement of the people: David Pratt on the migrant caravan heading for the US

As a migrant caravan snakes it ways across Central America towards the US border the issue of immigration is once again making headlines and being exploited by Donald Trump as America heads into midterm elections. Foreign Editor David Pratt reports . https://www.heraldscotland.com/news/17104583.movement-of-the-people-david-pratt-on-the-migrant-caravan-heading-for-the-us/