WASHINGTON (AP) — The head of the House Foreign Affairs Committee is asking Congress to block U.S. funds for any United Nations entity that supports giving Palestine an elevated status at the U.N.Republican congresswoman Ileana Ros-Lehtinen of Florida is also seeking to ban U.S. contributions to the U.N. Human Rights Council and an anti-racism conference seen as a platform for anti-Israel rhetoric.Ros-Lehtinen has long been a critic of the United Nations. The legislation she introduced Tuesday would also withhold a portion of U.S. dues to the international body if it does not change its funding system so that dues are paid on a voluntary rather than assessed basis.She says the U.N. continues to be plagued by scandal, mismanagement and inaction.