a) In Enviro-Vision v Coastal Insurance Company, what critical discovery ruling helps Coastal Insurance? b) Why is

Question:

a) In Enviro-Vision v Coastal Insurance Company, what critical discovery ruling helps Coastal Insurance?
b) Why is the ruling so important?
c) What critical ruling helps plaintiff Beth Smiles?
d) If Coastal learned of Bergson's story after it settled the case or lost at trial could it re-open the lawsuit on the grounds it had new information?