Here's how the ultrawealthy are getting citizenship abroad as 'insurance' against wealth taxes

New Zealand has seen a surge in applications for its golden visa from Americans. Supachai Panyaviwat/Getty Images Ultrawealthy Americans are seeking foreign citizenship as wealth taxes gain support in the US. Advisors to the ultrawealthy say second passports are like "insurance" plans. Golden passports and visas, requiring investments of up to millions of dollars, are on the rise. As taxes on extreme wealth gain traction in the US, the ultrawealthy are planning escape routes — even if they…