The Defense Counterintelligence & Security Agency touches more than 90% of the personnel security background checks that help determine whether a job candidate receives a security clearance. But the agency has other missions as well, all focused on enhancing national security. State Secrets podcast host Suzanne Kelly talks with Director David Cattler about the agency's responsibilities, about just how long it takes to get a clearance, the challenges associated with clearing a workforce and about whether that marijuana you once tried really is a dealbreaker (we couldn't resist the urge to ask).