VOA News BEIJING — Later this month, China's human rights record comes under United Nations scrutiny as part of the U.N.’s regular review of members' rights policies. This week, Chinese authorities said they had arrested a prominent activist who has pressed the government to allow the public to contribute to the U.N. report. Cao Shunli, a prominent human rights petitioner, has been missing since September 14, when police barred her from boarding a plane to Geneva. Cao was on her way to a human rights meeting in the Swiss city. This week, authorities notified Cao’s fellow activists that she was formally arrested Saturday. “She is now detained at Beijing’s…