the liberal democrat leader, jo swinson, visiting a technology company in st albans this morning, insistedtelling me about the challenge they have and how it is important we have an open immigration regime by staying in the eu with, the freedom of movement that brings. that makes it easier for business to get the talent they need to make money, to provide jobs and pay taxes. their party leaders know they do need to make the right noises about business, but it's fair to say all three are rather more focused on winning hearts and minds in the country at large than pleasing the power brokers in the hall today. theo leggett, bbc news. we can go over to nick eardley who is at the conference. simon, thanks. we just simon, thanks. wejust had jo swinson's speech about 45 minutes ago, and a big message was that stopping brexit would be good for the economy, and therefore good for business and the rest of the country, and i was an announcement in there about scrapping business rates, something that some in this hall will be happy to hear. questions, though, over exactly what will replace it, and som