NBC News · This Morning’s Top Headlines – May 18 | Morning News NOW

1. 1. President Trump has issued a new threat to Iran, stating that if they do not act fast, "there won't be anything left of them," amidst stalled negotiations to end conflict and reopen the Strait of Hormuz.
2. 2. Senator Lindsey Graham urged President Trump to continue weakening Iran, arguing that the status quo of a closed Strait of Hormuz and stalled deals only strengthens the Iranian regime.
3. 3. Senator Bill Cassidy's primary loss in Louisiana signals a broader trend of President Trump successfully ousting Republican opponents he deems disloyal, particularly those who voted for his impeachment.
4. 4. Former FBI Director James Comey is facing his second indictment from the Trump administration's Justice Department, this time for a social media post alleged to be a death threat against the president.
5. 5. The judge in the state case against Luigi Manioni, accused of killing a CEO, is expected to rule today on whether to suppress key evidence, including a firearm and statements made during his arrest.
6. 6. Hundreds of thousands of commuters in New York City face a messy commute due to a Long Island Railroad strike, which has brought the largest commuter rail system in North America to a standstill for the first time in over 30 years.
7. 7. Two U.S. Navy jets collided mid-air during an Idaho air show on Sunday, but all four pilots miraculously survived after ejecting from their planes.
8. 8. Extreme weather threatens 49 million Americans, with strong storms, tornadoes, damaging hail, and flash flooding in the Midwest, coupled with wildfires out west and record heat in the Northeast.