Jason Zweig of The Wall Street Journal writes about the paper’s former personal finance columnist, Jonathan Clements, who died last Sunday at the age of 62. Zweig writes, “When Jonathan started writing for the Journal, those claims weren’t just common. They were treated as gospel, chanted into the ears of every investor by the entire financial industry. Jonathan ripped the study to shreds, concluding that ‘fund shareholders—instead of looking like clods—appear to be fairly savvy.’“He also mocked Wall Street’s jargon and empty verbiage. “What about ‘The stock market was down on technical factors’?