The White House has discussed offering a financial lifeline to the United Arab Emirates as the U.S. war with Iran wreaks havoc on the Gulf state's economy, a White House official told CNBC. The UAE has not formally requested a currency swap line, and plans are not currently being drawn up, the official said, speaking on condition of anonymity to talk about nonpublic plans. Still, it is being discussed within the administration, the person said. Such a move would provide liquidity in dollars to