A number of forces continued to push oil prices higher last week, reaching their highest levels in the U.S. since September 2008. One factor fueling the run has been the continued decline of the U.S. dollar. You can see from the chart that oil and the dollar historically are negatively correlated. This means that a [...] Why High Oil Prices Are Likely Here to Stay originally appeared in the Daily Reckoning . The Daily Reckoning recently featured articles on stagflation , best libertarian books , and QE2 .