The most popular column I’ve written (judging by the volume of your responses) was published nearly three months ago (March 9). The topic was health care, a subject of increasing attention by President Barack Obama these days. So today and for the next few days, I’m going to tackle it again. (I’m also including a couple more letters from readers that came in too late to be included in the original reader-response post.) But first I want to take you back in time to 1951, the year when: Harry S Truman was President of the United States. General Douglas...