Blaming the Elimination of the Uptick Rule For Market Volatility

Is the elimination last July of the uptick rule that limited short sales responsible for increased stock volatility? So argue some investors, who say that short sellers have conducted bear raids and even conspired to drive down the price of Bear Stearns stock.  Nonsense, say others; the subprime and credit crisis account for the volatility, not elimination of a technical trading rule.  WSJ, Blame Game: The 'Uptick' Rule Debate.