We discuss the ongoing crisis in Ukraine with Andrew Weiss, vice president for studies at the Carnegie Endowment for International Peace. He served as a Russia and Ukraine expert in the Clinton White House. Also, we talk to Dominican nun Marcelline Koch about her humanitarian mission to Iraq. PHOTO: A man photographs burnt out cars outside an apartment building in Vostochniy district of Mariupol, Eastern Ukraine, Monday, Jan. 26, 2015. (AP Photo/Evgeniy Maloletka)