In an apparent rejection of the basic principles of the U.S. economy, a new poll shows that most young people do not support capitalism. The Harvard University survey, which polled young adults between ages 18 and 29, found that 51 percent of respondents do not support capitalism. Just 42 percent said they support it. It isn't clear that the young people in the poll would prefer some alternative system, though. Just 33 percent said they supported socialism. The survey had a margin of error of 2.4 percentage points. The results of the survey are difficult to interpret, pollsters noted. Capitalism...