British Prime Minister Boris Johnson has revived the idea of issuing “vaccine passports” for domestic use, promising a review into the possibility despite having ruled it out just a week ago. On a visit to a south London school on Tuesday, Johnson said while there’s “no question” many countries will require proof of vaccination against the CCP (Chinese Communist Party) virus for international travel, using them domestically is “a novelty for our country.” “We haven’t had stuff like this before. We’ve never thought in terms of having something that you have to show to go to a pub or theatre,” he said. But he suggested he could see the case for domestic vaccine passports. “I know fervent libertarians will object, but other people will think that there is a case for it,” he said. He said there are “deep and complex issues” that need to be worked out—“ethical issues about …