Arizona state Sen. Russell Pearce speaks in April during a vote on SB 1070, the immigration bill he sponsored. The final version resembled "model legislation" he helped draft during an ALEC conference in Washington, D.C., last year. Ross D. Franklin/AP hide caption
Arizona state Sen. Russell Pearce, pictured here at Tea Party rally on Oct. 22, was instrumental in drafting the state's immigration law. He also sits on a American Legislative Exchange Council (ALEC) task force, a group that helped shape the law. Joshua Lott/Getty Images hide caption
AstraZeneca settled a case with the government for $520 million in April after the company settled a separate lawsuit for speaker misconduct but continued to pay doctors to speak about prescribing drugs for purposes for which they were not approved. AFP hide caption
Pfizer, one of the largest drug makers in the U.S., saw $27.8 billion in sales in 2009. Seven drug companies, including Pfizer, have disclosed information about doctors who receive payment for speaking fees related to products they sell. Mark Lennihan/AP hide caption
Sgt. Derrick Junge was diagnosed with a concussion, but passed over for a Purple Heart. Junge has not received rehabilitation or treatment for ongoing medical difficulties, and he struggles with simple tasks. NPR/Frontline hide caption