The U.S. Ambassador to Russia says the U.S. will not recognize an upcoming Crimean referendum to join Russia. We'll get an update from Jeffrey Mankoff, senior fellow at the Center for Strategic and International Studies. Plus, a new report by the Global Coalition to Protect Education from Attack says there were hundreds of violent attacks on teachers, students and school buildings in the last five years alone. Diya Nijhowne, the group’s director, will detail some of the attacks.