Tell your wife as soon as she pays back all that money she stole (112K) that you will give her EVERYTHING if you die.

1. She does not care about the kids college
2. She cares very little for you, but she would like it if you died and left her the money.
3. She loves money, what it can buy, and how she thinks it can impress other people.

There is NO HARM leaving it in a trust. There is only GOOD in this given what your wife will do with it. If you died, she would have this money gone in less than 6 months.

She has learned nothing.