While Iran’s sanction-battered economy has sparked protests across the nation, U.S. officials cite new intelligence suggesting Tehran’s finances are more dire than previously thought and bringing it closer to a financial crisis. Tehran’s sophisticated sanction-evasion efforts have offset some of the losses from plummeting oil exports due to global U.S. sanctions pressure. But according to new U.S. financial intelligence, the government is scraping the barrel on foreign-exchange reserves, a critical indicator of the…