On today's UPFRONT, we are joined by Park Hyeong-jung, senior research fellow at Korea Institute for National Unification, Chung Suh-yong, professor of international studies at Korea University, Kim Kwang-jin, fellow at Institute for National Security Strategy and Andrei Lankov, professor of social studies at Kookmin University to discuss more about the North Korean regime under Kim Jong-un which has just entered its 4th year.