Barack Obama and the Perils of Populism

The New York Times reported last week that President Obama has derided Wall Street "fat cats;" he's called health insurers "greedy;" he said West Virginia's Massey coal company put, "their bottom line before the safety of their workers." In the aftermath of the Gulf oil spill, he's been scathing in his attacks on BP. What are the long-term consequences of short-term politics?