trade tensions and to currency tensions at this point but we've also heard from some ghosts from the federal reserve's past. well fed chair seem to have a long and healthy life and there was an open letter in the wall street to join of the phone from 4 former fed chairman paul full career he actually was of the fed chair under jimmy carter and reagan then old so alan greenspan burned bernanke and janet yellen they don't and they did not directly name us president donald trump but they said overall that it's not a good idea either to really. give react on politics from washington that this actually could worsen the situation so even if they did not name donald trump directly it was quite obvious that the where this letter was addressed to the posture of u.s.