Charley Charitable promised the Dean of the Nazarian School of Business at CSUN to donate $1,000,000 to the Nazarian Business School at CSUN. In reliance on this promise, the Dean entered into employment contracts with 5 new professors. Just prior to the start of the semester, Charley decided to go to Las Vegas. He bet $1,000,000 on a poker hand with three jacks. Unfortunately, the dealer had three kings and won the $1,000,000. Charley called the Dean and said that he could not go forward with the contribution. The Dean was suing mad. What would be the Dean's best theory of recovery in her lawsuit against Charley? Don't just give the theory. Explain your answer.