Liberal pundits and the politicians whose agendas they favor continue to misunderstand the Tea Party movement and, what is worse, fail to realize how much the disdainful tone of their criticism fuels it. This may be changing now as the ominous signs proliferate — the primary victories of Christine O’Donnell, Joe Miller, Rand Paul and Sharron Angle, the likely election victory of Mark Rubio and, in recent days, the startling news that Carl Paladino and Joe DioGuardi may be closing in on supposedly shoo-ins Andrew Cuomo and Kirsten Gillibrand (I say “may be” because there are conflicting polls). And of...