"There's a very good chance we're going to make a deal" with Tehran, US President Donald Trump told reporters on Thursday amid hopes for a second round of talks between the United States and Iran this weekend aimed at ending  the Middle East conflict. "They've agreed to give us back the nuclear dust," he said, referring to Iran's enriched uranium stockpile that Washington says could be used for building nuclear weapons. Trump also claimed that Iran had offered not to possess nuclear weapons for more than 20 years. " Iran wants to make a deal. They are willing to do things today that they weren't willing to do two months ago," the US president added. "We have a very successful negotiation going on right now. If it happens, it will be announced fairly soon." Trump said the next round of US-Iran talks could take place at the weekend, and an extension of a two-week ceasefire was possible, but might not be needed as Tehran wanted a deal.…