Iran opened the Strait of Hormuz to shipping on Thursday, then shut it down again by Friday, citing a continued U.S. blockade as a ceasefire violation. The economic fallout is mounting: U.S. inflation spiked in March driven by gas prices, and consumer sentiment just hit its worst level in 74 years. Plus, two lawmakers resign before expulsion votes, RFK Jr. concedes the measles vaccine saves lives, and electrons in graphene behave like a frictionless liquid.