When it becomes time for the debate to start and you see nothing showing yet. You need to refresh aka reload the page. If debate has started, when you reload the page it will start playing. This will default to play in HD, but if your internet happens to be to slow for HD. You can click on the thing that look like a gear next to the cc button on the bottom right of video and select a slower speed. Usually 480 or 360 bandwidth works well with slower dsl speeds.
The video that exists below will disappear once live-streaming starts. Don’t forget to reload page.