A top official with the U.S. State Department warned April 2 that the White House was not planning to issue new waivers -- which allow certain countries to purchase Iranian oil without coming under U.S. sanctions -- once the current round expires May 5. According to an April 1 Reuters report, an official within U.S. President Donald Trump's administration also allegedly said that the United States was also considering imposing new secondary sanctions in May that would target additional areas of the Iranian economy, without providing further detail as to which....