The BBC tackles the issue of Libya chairing the U.N.’s Human Rights Commission:
On Monday, the media watchdog group – Reporters Without Borders (RSF) – was suspended after showering the meeting with leaflets criticising Libya’s record. In a statement, RSF said that Libya’s heading of the commission was a “sick joke” that called into question its credibility. Other countries, however, are expected to raise concerns about a possible US violation of human rights over its treatment of prisoners held in Guantanamo Bay. They say the US is holding the prisoners unfairly.
So you see, the issue is really one of parity. If the U.S. is in the U.N., why not Libya?