Daddy wants his precious pumpkin to have a job here in the Swamp. He is influential and suggests to the swampcritter whose election he supported [Daddy could work on K-street or could own a stable of K-street folks, for instance], that he might like to provide an office telephone and job title for his precious little girl who never learned how to grow up and so something useful.
She is likely cute and bubbly and has a wardrobe the cost of which all out of proportion to any salary anyone on a public salary could earn at any level from President on down.
They occupy the executive suites of most government agencies, and house and senate staffs. And these "highly placed government officials" help ensure the flow of information to the public by spilling their guts at various swamp-watering holes
That explains it.