Uncertainty over the United Kingdom's departure from the European Union has cost the British economy $785 million every week since 2016, according to a report out Monday from Goldman Sachs. One of the reasons: Businesses are wary of spending money until they know for certain what the terms of leaving the bloc will be. Here & Now's Peter O'Dowd has been speaking with an oyster farmer from Northern Ireland who has put off expanding his operations until Brexit is settled.