{video}Energy expert Dan Yergin said there are two reasons why oil prices have dropped in the past month despite a market that is still tight: the Fed and Russia’s war in Ukraine. Oil prices had been increasing since last year, spiking to highs after Russia launched an unprovoked war on Ukraine. But since the end of May, Brent has fallen from over $120 per barrel to last trade at around $109, or around 10% lower. West Texas Intermediate futures have tumbled more than 9% in the same period. Yergin, vice chairman of S&P Global, said the U.S. Federal Reserve is choosing to go after inflation even at the risk of ... (full story)