The UK’s opposition Liberal Democrats stand in “clear and principled” opposition to COVID-19 vaccine passports because they are “unworkable, expensive, and illiberal,” the party’s leader said on Saturday. Though the UK’s Conservative government has dropped its plan to adopt vaccine passports for nightclubs and crowded events in England, the local administrations in Scotland and Wales have announced they will go ahead with the scheme. Sir Ed Davey, leader of the Liberal Democrats, which has 12 Members of Parliament in the House of Commons, highlighted the party’s consistent stance against what he branded “COVID ID cards.” “Liberal Democrats have always been clear. COVID ID cards are unworkable, expensive, and illiberal,” he told a virtual conference of the party’s Scottish and Welsh branches. Davey said the Liberal Democrats have adopted a “principled response” to the schemes across the UK, because they are “not a real solution” and would “place an unfair extra …