Bill Jorgenson lives in New York and is terminally ill. Suppose Bill's son, Harold, convinces his father that Cheryl Jorgenson, Bill's wife and Harold's mother, is initiating institutional commitment proceedings against Bill. In fact, that is not true. Nevertheless, Bill changes his will because of this allegation and leaves everything to Harold.

1. What are the grounds for contesting a will in New York? (Make sure you cite references)
2. According to your New Jersey law, what are the grounds for contesting a will? (Make sure you cite references)
3. Which grounds can Cheryl use to contest Bill's will?
4. As a surviving spouse, what other rights does Cheryl have if the will is declared valid? (Make sure you cite references)