What does the US have in common with Iran, Somalia, Naurau, Palau, Sudan and Tonga?

The United States has yet to ratify the Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW), which promotes women's rights as human rights.

http://news.yahoo.com/u-lags-legalising-womens-rights-treaty-154949332.html

In 1945, the United Nations (U.N.) created provisions for governments to protect human rights. Not until 1979 did the U.N. General Assembly pass CEDAW to protect fundamental human rights for women. As of May 2010, 186 out of 193 countries had ratified the treaty.

"CEDAW acknowledges the existence of women as half of humanity in this world, insists on inclusion of women in all spheres of life and obliges the state parties to support all of their citizens, both women and men," Sima Samar, chairperson of the Afghanistan Independent Human Rights Commission, said at a recent event on women's rights.

United States is one of the seven countries that has not yet ratified CEDAW, leaving it in the company of Iran, Somalia, Naurau, Palau, Sudan and Tonga. CEDAW was signed by President Jimmy Carter in 1980, has passed twice in the Senate Foreign Relations Committee with a bipartisan vote in 1994 and 2002, but has never come to the Senate floor for a ratification vote.

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In reality, the treaty doesn't grant the U.N. or another body enforcement authority. Because of such fears, the United States has also failed to ratify the Convention on the Rights of the Child, a treaty for ensuring children's rights, with provisions for prohibiting child pornography and child prostitution.