his retirement yesterday to serve as president on the ohio business roundtable. this latest retirement is being viewed by various colleagues as a growing sign of frustration, congressional deadlock on major republican policies, republican leadership and disconcerting antics coming from the white house, it presents few challenges to leadership in their effort to reform the tax code. he is scheduled to lead by january 1st, 2018, most likely before tax reform is passed. there seems to be a mixed response from the markets, c b cnbcjonana joins us from london. what can you say about this? >> it's interesting girard powell is a front return, he continues to be a continuation