Howard Stern having impact with crusade against Bush By Steven Thomma Knight Ridder Newspapers WASHINGTON - Forget Al Franken. Democrats have a new champion on talk radio that they hope will counter the likes of conservative icons Rush Limbaugh and Sean Hannity. It's shock jock Howard Stern. Known more for crude talk of sex and lewd acts than politics or public policy, Stern has launched an on-air crusade he calls a "jihad" to defeat President Bush. He blames Bush for a government crackdown on his use of obscenity on the air. And he's having an impact, apparently boosting the prospects...