► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs
David Rubenstein, founder of Carlyle Group, says US billionaires should help preserve historical documents and monuments.
For more video content from the Financial Times, visit http://www.FT.com/video
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes
FT Wealth
More FT Wealth coverage
http://www.ft.com/reports/wealth
Click here for more FT Wealth videos
http://video.ft.com/Ft-Wealth