at some point riggelman. so it won't top your news. questions with two somewhat linked. you have any ambition to see that through? to stay beyond five years? also do have any reaction to events in canada? >> the two unrelated questions. congratulates new prime minister and his cabinet. and i look forward to working with the finance minister. have an the fsb world we tangential rule in a coming cup 21 discussions in paris. bloombergring back to it will potentially set up a very market-based role on climate change. halfway in its front to really answer that. ♪ narrator: the contemporary art world is vibrant and booming as never before. it is a 21st century phenomenon, a global industry in its own right. "brilliant ideas" looks at the artists at the heart of this, artists with a unique power to provoke, astonish, and inspire. in this program, american artists.