What's pale yellow, riddled with holes and not very sharp? President Barack Obama's renewed class-warfare attack on GOP opponent Mitt Romney. To kick off the Independence Day holiday, America's fundraiser-in-chief took to Twitter to stoke wealth-bashing resentment against Republicans. "FACT," Obama's official Twitter account declared, "In 2010, Romney reported having a $3 million Swiss bank account." Obama for America campaign manager Jim Messina piled on, urging "every reporter covering Romney" to read left-wing Vanity Fair's new report on his offshore finances. In a water-carrying news conference call, Obama campaign flack Ben LaBolt assailed Romney's "mysterious corporation in Bermuda, his funds...