Two weeks after the U.S. ambassador’s controversial visit to a Muslim cleric, Nigeria’s lawless central states were roiled with violence, including several murderous attacks on Christian farmers. Some Nigerian activists are concerned what signal the ambassador has sent about the direction of U.S. policy to Nigeria. Most notable among the incidents of violence, a band of radical Muslim terrorists attempted on March 20 to gun down a serving governor of Benue State in south central Nigeria as he was departing his farm by automobile. “This past weekend, the Benue State Governor, Dr. Samuel Ortom, was attacked and barely escaped death,” Kyle Abts, co-founder of the International Committee on Nigeria told The Epoch Times.  “Since he made his assault public, declaring the attack was clearly by Fulani militants, he has been harassed by the Fulani National Movement (FUNAM) claiming responsibility, saying ‘We shall assassinate you soon.’” “Meanwhile, on March 5, the US Ambassador to Nigeria, Mary Beth Leonard was hosting the Muslim Fulani leader of …