Anton,
Unfortunately you're right, it happens more than in other places. However, a long time, highly respected lawyer NOT involved in the case made a public statement questioning why Nifong would do this? He said that the DA in Neighboring Wake county would never have acted in this manner.
The have latitude, I think. Nifong shut up in a hurry when he did stop talking. He had a full day planned, he had made appointments with various media outlets and then he suddenly cancelled on them. I think someone in a position of authority - or someone he respects - made him aware of his actions. His office confirmed the appointment 24 hours earlier and suddenly he wouldn't give any interviews - after doing it 12-14 hours a day. Someone may have made him aware that he was bringing the area close to violence or riots. A Duke student was attacked by black NCCU student at a local fast food place and they called him a Rapist before they assualted him. Nifong's behavior was/is irresponsible, at best.
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Ah, no, it's not.