New York Times | Iran Deal May Be Slow to Affect Oil Sector New York Times HOUSTON — The breakthrough in nuclear talks with Iran on Thursday has the potential to cause a seismic shift in global energy markets over the long term, but energy experts said any appreciable impact on an already glutted global oil market was highly ... Oil falls nearly 4 percent after tentative nuclear deal for Iran Iran deal sends ripples through oil market Oil didn't fall off a cliff after 'tentative' Iran nuclear deal |