Britain's Supreme Court Tuesday heard the final day of arguments in a case over the vote to leave the European Union. The case challenges the U.K. government's ability to start the process of separating from the E.U. without a vote by the British Parliament.

Here & Now's Jeremy Hobson speaks with Rob Watson (@robwatsonbbc) of the BBC about the case, and the current timeline for Brexit.

Note: This BBC interview can be heard in the Here & Now podcast or with the WBUR app.