Tim Walz and JD Vance will meet for their one and only vice-presidential debate on Tuesday night in New York City. Walz - the Minnesota governor - will be representing the Democrats and Kamala Harris. Vance - the Ohio senator - will be making the case for the Republicans and Donald Trump. They’ve both been picked in part for their mid-western roots in the battle for rural voters. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #USElection #BBCNews