The next time the world’s rich are forced into lockdown, they would like to have an escape ready to a remote and sunny beach. Or perhaps to New Zealand, one of the few countries that have eliminated Covid-19. They are willing to pay for the privilege, of course. They can turn to programs that guarantee citizenship or residency in exchange for investment in the host country, using specialty firms such as Henley & Partners, the world’s biggest citizenship and residency advisory firm. With the persistent threat of viral infections and sudden lockdowns, the company is helping those with deep pockets buy access to a safe haven. For instance, you can…