The persistent problems Haiti endures are just one example of the need to go beyond relief aid to tackle the root causes of poverty around the world. Greg Mortenson, author of the bestselling "Three Cups of Tea" tells us how he's able to build schools in the heart of Taliban country. Also Bread for the World founder Art Simon explains his efforts to change the system that keeps so much of the world poor and hungry. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.