FILE – This combination image of pictures show President Donald Trump, left, addressing a joint session of Congress at the Capitol in Washington, March 4, 2025, and a handout of Supreme Leader Ayatollah Ali Khamenei attending a ceremony in Tehran, Iran, March 8, 2025.AP Photo/Ben Curtis - Office of the Iranian Supreme Leader via AP, File
What to know about the tensions between Iran and the US before their second round of talks
The two sides held their first round of negotiations regarding Iran's nuclear program earlier this month.