However, according to key informants and HPs, the community exerted oversight on health services through health committees.
Congress, through this very committee, is supposed to exert oversight over the intelligence agencies.
Mr. Krieg, who said the company has contracts in 38 states, acknowledges the limitations: "Whether they exert oversight isn't something that we can control".
At the other extreme is the concept of a free market unhindered by government oversight, which can exert a similar compelling attraction for advocates of a market-driven world economy.
Health system actors include governments, organizations, groups and individuals who, at different levels of authority, have the responsibility or capacity to carry out health system functions such as to: generate resources, deliver services, provide oversight or exert influence over decisions.
More generally, individual states nationwide must exert more oversight over the collection, use and storage of students' information.
Officials said that some in the White House and C.I.A. bristled at Mr. Blair's efforts to exert greater oversight over covert action.
People claim to be shocked by the way the Bush administration outsourced key government functions to private contractors yet refused to exert effective oversight over these contractors, a process exemplified by the failed reconstruction of Iraq and the Blackwater affair.
But Sessions has installed acting U.S. Attorneys in much of the country — including in such high-profile locations as Manhattan and Los Angeles — and senators can't exert any oversight of them.
They cannot exert independent oversight," said Harold Shapiro, chair of the study.
