THE ENEMY WITHIN: ‘Turning Classrooms Into Arenas Of Radicalism’: Teachers Union Tasks Anti-Israel Activist To Create Curriculum About Israel. “The Director of Training & Professional Learning for the Massachusetts Teachers Association, Ricardo Rosa, has a record of disseminating anti-American and anti-Israel rhetoric. He referred to the United States as a ‘settler colony,’ glorified Leila Khaled, a terrorist who hijacked a plane, supported a professor who labeled Zionists ‘swine,’ encouraged protests in Jewish neighborhoods, and advocated for a ‘Free Palestine in the immediate days after the October 7 massacre by Hamas on civilians in southern Israel.”