Create of a charter, and public forest estate should be "held in trust for the nation".

BBC: Public forests must not be sold, say advisers

That makes companies such as Capital Trust and Starwood Property more vulnerable should real-estate values fall.

WSJ: Blackstone Boosts Lender

Whether the paid-up life insurance should be in an irrevocable trust or similar entities depends on whether the tax-free bonds are estate assets or outside the estate.

FORBES: Life's Tax Advantages