parties are gathering for a special live bbc scotland debate. we ll be hearing from john swinney, the smp, douglas ross for the scottish conservatives, anas sarwar in scottish labour, let s listen in. one general election that could change the country, welcome to a special edition of debate night. live from glasgow, welcome to debate night with scotland s political party leaders. this evening they will go head to head in front of an audience comprised of people with different voting intentions, some of them still undecided. joining us this evening we. anas sarwar, leader of scottish labour. lorna slater, co leader of the scottish greens. douglas ross, leader of the scottish conservatives. and finally, from the scottish liberal democrats, leader alex cole hamilton. please welcome them to this special live edition of debate night. applause we are live on tv, radio and the iplayer, and you canjoin in the debate on social media wherever you are. the hashtag is bbcdn. so what are