The Panel with Andrew Clay and Barry Corbett (Part 1)
US President Donald Trump makes good on his pledge to build a border wall with Mexico. Illegal immigration from Mexico actually peaked 15 years ago and has been tailing off. Dr Charles Merfiels talks about why tomatoes are tasteless and how they can get the flavour back. Should we be welcoming wealthy immigrants with open arms - not vilifying them for getting citizenship? Are high airport parking chargers forcing people to clog up nearby suburbs?