CNBC | Why an Iran deal could mean lower oil prices CNBC A final accord to curtail Tehran's nuclear ambitions could lead to a glut of Iranian oil hitting an already "oversupplied market," which would serve to pressure prices, oil expert John Kilduff said Tuesday, as negotiators in Vienna face a deadline that ... Oil bounces off three-week lows as Greek debt default looms Oil Prices Rise as Iran Nuclear Talks Enter Deadline Day Oil Speculators Least Bullish in 10 Weeks on Iran Talks |