mcdougall discovered the ancient tarahumara tribe in mexico. 60 miles at a time over rough terrain in tiny sandals or with nothing on their feet. >> the way the tarahumara run is very light, quick, gentle and relaxed, just like any five- year-old who skips off across the playground. i mimic the way they run and within a matter of days the injuries disappear. his best-selling book claims today's padded, cushioned, thick rubber-soled shoes actually promote injuries by forcing runners to land on their heels. harvard university studies show large shock waves shoot through a runner's leg during these heel strikes. landing on the balls of your feet means three times less shock. >> there really is a new category on the market now. >> reporter: david willie, the editor of "runner's world" magazine, says the barefoot craze is no longer a fad. not with big manufacturers like nike fighting for a toe hold in the growing minimalist market. >> so the challenge is to market the minimalist shoes in a way that doesn't signal that everything that has come before

john: mcdougal is a businessman who built this payroll service company from scratch.is business was about employee pay. he's been dismayed to watch government award their workers raises and special benefits like retirement at age 55. >> it used to be the deal you work for the government, because it is safe, you can't be fired. but you make less. now they make, if you include the pension, double. >> more than double. because they have fantastic benefits. john: people say you union thugs are sucking the life out of america. >> i say the trade union movement is the greatest anti-poverty program ever developed. john: jobs are the best anti- program. there's more job growth when you guys are not involved. >> that is false. the frayed union movement and civil service in this country has been the gateway into the middle class. that's what this is about. john: really? i don't know many in the middle class with benefits like these. union transit workers reach top pay grade after three years. they take lots of sick days with full pay. they can retire with a good pension at age

john: mcdougal is a businessman who built this payroll service company from scratch.s business was about employee pay. he's been dismayed to watch government award their workers raises and special benefits like retirement at age 55. >> it used to be the deal you work for the government, because it is safe, you can't be fired. but you make less. now they make, if you include the pension, double. >> more than double. because they have fantastic benefits. john: people say you union thugs are sucking the life out of america. >> i say the trade union movement is the greatest anti-poverty program ever developed. john: jobs are the best anti- program. there's more job growth when you guys are not involved. >> that is false. the frayed union movement and civil service in this country has been the gateway into the middle class. that's what this is about. john: really? i don't know many in the middle class with benefits like these. union transit workers reach top pay grade after three years. they take lots of sick days with full pay. they can retire with a good pension at age 5