several -- senator corchran and the ranking member for helping us put this hearing together. the four witnesses who took time to provide their remarks. >> mr. chairman thank you and thanks to all of our witnesses for being here. i understand we have two very diverse and views on keystone and i think we can all learn from both of those views and i want to thank you again for the market we had yesterday this strong bipartisanship shown with the support of ukraine. it's unfortunate that the administration declined to testify here today. it's very unfortunate. i understand they do not want to prejudice the outcome of the national interest determination process they are going through right now but i do think it would have been important and it is important that they explain to us all of the factors they will consider in making this decision. i hope today we can look past determinations. i think that will be very important and circumstances and come up with a clearer picture of what it should be. zero size of this issue would agree in some respects that the united states national i