The CEO of the public relations firm Burson Marsteller, Mark Penn, likes John McCain's TV ad likening Barack Obama to celebrities like Paris Hilton and Britney Spears.

First the organizers of China's spectacular Olympic opening ceremony admitted that they digitally faked the dazzling "footprint" fireworks that viewers saw on TV leading up to the Bird's Nest stadium.

Overexposure to manganese has caused Parkinson's-like symptoms for thousands of welders, but the makers of manganese-containing welding wire and electrodes are avoiding liability by manipulating science. Jim Morris writes that "the welding companies paid more than $12.5 million to 25 organizations and 33 researchers, virtually all of whom have published papers dismissing connections between welding fumes and workers' ailments. ...