Q--Did Jackie Kennedy wear Dolce & Gabbana to her husband's inauguration?
A--My step-by-step reasoning: Jackie Kennedy's husband was John F. Kennedy. John F. Kennedy was inaugurated in 1961. Dolce & Gabbana was founded in 1985.
So, the answer is no.

Q--Are the Great Lakes part of an international border?
A--My step-by-step reasoning: The lakes are bordered on the north by Canada. The lakes are bordered on the south by United States. Canada and United States are two different countries.
So, the answer is yes.

Q--Did the death of Helen Palmer have a significant effect on Dr. Seuss?
A--My step-by-step reasoning: Dr. Seuss's real name was Theodor Geisel. Theodor Geisel was married to Helen Palmer at the time of her suicide. Theodor Geisel is quoted having said he considered suicide after the death of his wife.
So, the answer is yes.

Q--Can a rabbi save the soul of a Christian?
A--
My step-by-step reasoning: Rabbis are spiritual leaders of the Jewish community. Baptism is a necessary Christian ritual for salvation. Any non-Christian can perform an emergency baptism if someone's life is in danger.
So, the answer is yes.