Iran is understood to have been secretly developing its nuclear program at two additional sites, as it fights a race against time to make nuclear warheads to ballistic missiles.

President Trump’s desire to engage in negotiations is a turnabout from his first term, when he often derided former President Barack Obama for agreeing to a nuclear deal with Iran.

U.S. President Donald Trump said Wednesday he’s willing to immediately start working on a new nuclear deal with Iran that allows the country to “peacefully grow and prosper,” seemingly softening his stance on the Islamic Republic.