Would a new Thames Estuary airport be the best option for the whole UK? Daniel Moylan, the mayor of London’s chief aviation adviser, says Yes. For most UK regions, Heathrow is already supplanted by Amsterdam Schiphol as the principal hub airport. In 1990, 18 UK cities had daily flight connections to Heathrow. That has fallen to seven today. Some say another Heathrow runway would bring better connectivity between London [...]