WASHINGTON (AP) — A confidant of Bill Pulte, the Trump administration’s top housing regulator, provided confidential mortgage pricing data from Fannie Mae to a principal competitor, alarming senior officials of the government-backed lending giant who warned it could expose the company to claims that it was colluding with a rival to fix mortgage rates.Emails reviewed by The Associated Press show that Fannie Mae executives were unnerved about what one called the “very problematic” disclosure of da...