Three packs of cigarettes a day? Try three hours of Sean Hannity. For years the Democratic Party, lead by Senator Ted Kennedy (D, Mass), has struggled to figure out just why Conservative Talk Radio seems to be able to attach itself to their millions of loyal listeners. But now, they may have achieved a major political breakthrough with the discovery that listening to conservative talk radio, especially Sean Hannity who hosts "a freak show of political pornography," has been found to cause cancer in laboratory rats (and Air America listeners). "We're not absolutely sure," said Public Broadcasting Physicist, Bill Moyers,...