We began by showing Billie's final moments with Doctor Who - in which both of the characters were in tears as they said goodbye.

BBC: Billie: live in the Breakfast studio

The Securities and Exchange Commission charged the firm with insider trading in 2012, alleging that one of its portfolio managers illegally obtained confidential details about an Alzheimer's drug trial from a doctor before the final results went public and made trades from that information.

WSJ: Fund pays $600M to settle insider trading charges

''Ultimately the final decision will be with the doctor and physio, '' said Harte.

BBC: Clones

Prices of drugs, of course, are difficult to evaluate, since the cost of production of a given dose is often far lower than the final cost in a pharmacy or doctor's office.

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As the investigation into Hasan's background continues, questions are arising about his qualifications as a doctor, including his final project as a resident where classmates say he gave an unusual briefing about Islam rather than discussing a more medically-oriented topic.

CNN: STORY HIGHLIGHTS

The speech is now a matter of public record, as are transcripts of the testimony from every hearing the good doctor presided over as chairman of the House Subcommittee on Domestic Monetary Policy and Technology during his final term.

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However, the doctor wasn't available, and his assistant wasn't willing to perform euthanasia without one final check-up in the hospital.

BBC: You are in: Talking Point