Congress moves to curb abuses by advisory councils

By Jim Morris and Marina Walker Guevara

Federal watchdogs target secrecy, industry influence by "fifth branch of government"

Network of 900 advisory panels wields unseen power

By Jim Morris and Alejandra Fernández Morera

Concerns raised about secrecy, industry influence and political interference

Radiation panel fairness questioned

Ailing Cold War veterans say compensation program biased