DANIEL GROSS: Don’t Get Depressed: It’s Not 1929. “Financial executives invoke distant history in part to make up for their own recent shortcomings. If a force as powerful as the Great Depression has been unleashed on the global economy, how can a mere mortal like Merrill’s John Thain be held responsible? The specter of the 1930s has also been deployed by political leaders to create a sense of urgency.”