Oil prices slipped on Tuesday as concerns that the United States might reinstate sanctions against Iran faded somewhat, alleviating worries about the future of Iranian exports. U.S. President Donald Trump and French President Emmanuel Macron pledged to seek stronger measures to contain Iran. At a joint news conference, Trump did not repeat threats to withdraw from the 2015 nuclear agreement but made clear he has little patience for it. Renewed sanctions against Tehran could harm Iran’s ability to export its crude. Stephen Innes, head of trading for Asia-Pacific at futures brokerage OANDA, said new sanctions against Tehran “could push oil prices up as much as $5 per barrel.” Brent slid 85 cents, or 1.1 percent, to settle at $73.86 a barrel. Earlier in the session it hit $75.47, its highest since November 2014. West Texas Intermediate (WTI) crude fell 94 cents to $67.70. […]