It was news media conventional wisdom during the 2008 presidential campaign: the worse the economy, the better it was for Democrat candidate prospects. But now that they have the legislative and executive branches and the burden of actually governing, that advantage is slowly being chipped away. CNBC "Mad Money" host Jim Cramer, who first starting connecting that perhaps a Democrat-controlled federal government might not be the best thing for the United States earlier this year, gave something of a downbeat rant on Feb. 2 about Obama's handling of the economy so far. "Until the Obama administration starts listening, until they...