Our health care roundtable discussions are sparking debate. One guest on Tuesday’s show made a startling assertion: that the care her sick son received in the United States was far superior than the attention he would have gotten in Canada or England, a statement which jumpstarted the conversation among our listeners. To see just how America’s health care system really stacks up against other countries, (and to check on yesterday’s guest’s assertion) we called Uwe Reinhardt. The Princeton professor of economics and public affairs has done extensive work comparing international health care systems.