How come all the other countries that have regulated healthcare have costs that are usually at a fraction of the US? (http://www.pbs.org/newshour/rundown/2012/1

How come all the other countries that have regulated healthcare have costs that are usually at a fraction of the US? (http://www.pbs.org/newshour/rundown/2012/10/health-costs-how-the-us-compares-with-other-countries.html http://www.pbs.org/newshour/rundown/2012/10/health-costs-how...)