Sen. Elizabeth Warren (D-Mass.) expressed concerns over the Clarity Act on Wednesday, describing it as a potential loophole that could enable sanctions evasion.Scrutiny Over Crypto BillWarren cited a Fortune op-ed by sanctions policy expert Richard Nephew, who previously served as Director for Iranian affairs at the National Security Council.“As currently drafted, the Clarity Act is a ticket to sanctions evasion,” the senior lawmaker repeated the headline.In the piece, he argues that the bill, in its current form, would remove many of the “standard responsibilities” for financial institutions that were designed to “protect national security.”He goes on to say that the bill creates…