Depending on who you ask, a nuclear agreement between Iran and the United states is either a non-starter or almost a done deal.

Iran’s top diplomat has warned that his country would take “special measures” to defend its nuclear facilities if Israel continues to threaten them, raising the stakes further ahead of a new round of talks with the United States.

Oil prices settled lower on Wednesday, after Oman's foreign minister said a fresh round of nuclear talks between Iran and the U.S. would take place later this week. Prices had gained earlier in the session on a CNN report on Tuesday that U.