Once granted a waiver, you can obtain a visa (usually one year at first). As a holder of a waiver you can expect long delays in secondary processing at the US border, even with a visa in your passport. Strangely, an exception to this is purely political offences..
Most simply explained, a constructive trust is an equitable remedy imposed to prevent unjust enrichment (see Simonds v Simonds, 45 NY2d 233, 242 [1978]; Sharp v Kosmalski, 40 NY2d 119 [1976]).
A living trust, also known as an inter vivos trust (inter vivos is Latin for between the living), is a trust created during the lifetime of the grantor. It is to be distinguished from a testamentary trust, which is a trust created through a will. Sometimes people confuse a living trust with a living will.