Where To Stream NBC Nightly News Season 2026 Episode 154

President Trump touted the preliminary peace deal with Iran, which now leads to 60 days of further talks. Critics said the deal gives away too much to the Iranian regime. NBC News' Gabe Gutierrez reports. The judge in the murder case for accused healthcare CEO killer Luigi Mangione says the defense will use a psychiatric defense. NBC News' Stephanie Gosk reports on what that means and how it could affect a sentence if Mangione is convicted. Bystanders rushed in with hammers to free survivors...