Can senior federal officials simply disappear? Judging from some recent departures of high-profile executives, you'd think so. Former Interior Business Center director Joe Ward joins the ever-growing list of senior executives who have moved or changed jobs or have been put on leave with little transparency from their agency. In his biweekly feature, "Inside the Reporter’s Notebook," executive editor Jason Miller writes about why the uncertainty of the whereabouts of Ward, and others like him, are part of a growing problem in government. He joined the Federal Drive with Tom Temin with more. Read Jason's related story.