Should the mesquite be allowed to kill the casuarina trees by drilling its roots deeper and depriving them of water, as in some places it seems to be doing?

ECONOMIST: Ascension Island

The 19, 000-square-foot Casa Casuarina in South Beach has 10 bedrooms and 11 bathrooms, and a centerpiece to the gated compound is a 54-foot-long pool lined in 24-karat gold and adorned with mosaics, frescos, statues, arched doorway and a courtyard, according to real estate agents with Coldwell Banker.

CNN: Story highlights