Watch the complete segment of DNA with Sudhir Chaudhary, May 18, 2018. This segment of DNA brings to you analysis of top news of the day. All you need to know about Pro-Tem Speaker and its importance ahead of tomorrow's floor test. DNA test to find the reason behind implementing conditional ceasefire in J&K. Also, know what happened in history on May 18th over the years. The top news of the day and many more important stories are also covered in this segment.