Over the last few months, it has been absolutely stunning to see Mitt Romney, of all people, portrayed as some sort of greedy, ruthless, unfeeling corporate raider who plows over everyone who gets in his way so he can make a few dollars more. Of all the criticisms you could aim at Mitt Romney, there is none that has less validity than that one. In fact, the vast majority of people who read this column -- whether they're liberal, conservative, or moderate -- probably don't personally know a single person who has proven to be more generous and compassionate than...