Iran’s presidential candidates discussed the country’s foreign policy Monday in a three-hour live debate, promising to seek better relations with other nations and work to have sanctions on their country lifted. The televised debate was the fourth in a series of five ahead of Friday’s election, which follows a helicopter crash last month that killed Iranian President Ebrahim Raisi and seven others. The final debate will be Tuesday. All the candidates pledged to try to have Western sanctions on Iran lifted, but they expressed different attitudes about the issue. “We will definitely negotiate an…