And facebooks nightwatch. How they are fighting fake news on facebook about facebook and paying tribute to game of thrones. But first, to our top story. While the world fixates on trade tensions, another dispute between beijings neighbors is weighing heavily on chipmakers. Japan slapped restrictions on exports to south korea of crucial materials needed to produce Semi Conductors and screens. Samsung slid nearly 3 monday. 5. 5 . Ix dropped together, they count for 60 of memory chip capacity. Analysts suggest the applications may go beyond chips , upsetting the Global Supply chain from everything from iphones to laptops. Joining me in the studio is bloombergs ian king. Why is this happening now . Word ood question question. It is something that goes back hundreds of years, you could argue, with japans colonization of korea. Korea are japan never made amends, japan says yes we did. This appears to have bubbled up into the tensions were seeing right now. Emily could it have anything to do