At yesterday's Barack Obama town hall meeting, some of those who asked questions live at the event - as distinguished from those who submitted questions online - were plants with connections to the White House or other Beltway establishments. Garance Franke Ruta of the Washington Post says: the five fully identified questioners called on randomly by the president in the East Room were anything but a diverse lot. They included: a member of the pro-Obama Service Employees International Union, a member of the Democratic National Committee who campaigned for Obama among Hispanics during the...