North Korea nuclear reactors show new signs of activity - CNN

North Korea nuclear reactors show new signs of activity - CNN: New satellite imagery examined by Western experts suggests North Korea has begun preliminary testing of one of its nuclear reactors at the Yongbyon research facility. The disclosure comes as preparations get underway for the summit between North Korean leader Kim Jong Un and South Korean President Moon Jae-in next month -- and ahead of Kim's planned meeting with President Trump in May.