Billionaire Ken Griffin wants to relocate a historic Miami home he purchased for $107 million. Preservationists say it could set a dangerous precedent.

• The billionaire Ken Griffin bought a historic Miami property for about $107 million in September.
• The financier is said to be mulling moving an early-1900s home from the site to city-owned land.
• Local preservationists are pushing back against the idea, saying it is like "redacting history."

A battle is brewing in Miami's exclusive Coconut Grove community between the billionaire financier Ken Griffin and local preservationists.