The State of Trump's Union is a 10-part series airing on The Last Word in the run-up to the US election in November.
We'll be talking to a variety of people with informed views about the issues dividing and uniting the United States, where the country is politically, socially and economically, the dangers it's facing, where power lies and how it is used.
This week our guest is Irish novelist and New York resident Colum McCann.
He spoke to Matt about America's current period of disruption, Obama's legacy and his hopes for the country's future.
