In today’s newsletter: A Noticias Telemundo investigation finds a marked increase in cases of people posing as federal agents. Iran warns an agreement to end the war with the U.S. is not imminent. And the race to prevent a massive explosion from a chemical tank in California. Here’s what to know today. In January of last year, a group of armed assailants entered a house shared by immigrants in North Carolina. A hooded man kicked down a bedroom door shouting “ICE! ICE!” one immigrant recalled. “