I can't comment on the claims made by Walker in her book. However, anyone who thinks it is rational to continue believing in the possibility of a two-state solution when Israel has buried that in concrete is kidding themselves. Continuing to believe in the two-state solution is as rational as believing in the tooth fairy.
Iran's oil exports to South Korea quadruple to 400,000 barrels a day after sanctions lift (Reuters)
from the article: Alice Walker's crass bigotry exposed