The Paul Wellstone and Pete Domenici Mental Health Parity and Addiction Equity Act: a. prohibits employers with more than 15 employees from discriminating against applicants and employees because of a physical and/or mental disability b. requires employers to have reasonable cause to suspect an employee is using substances before requiring a drug test c. requires that employers that provide health insurance plans cover mental health and addiction on the same basis as physical conditions d. changed the definition of the term "disability" by clarifying and broadening it