Federal officials have served subpoenas to Marxist political influencer Hasan Piker and CodePink cofounder Susan Medea Benjamin as part of a wider investigation into whether U.S. organizations and leaders violated U.S. laws and sanctions in supporting Cuba’s communist regime, Fox News Digital has learned. Piker and Benjamin are among those caught in a federal inquiry into whether activists who traveled to Cuba in March violated U.S. sanctions laws through the financing, coordination or delivery of goods to Cuba, including potential contacts with Cuban government personnel or entities on the island. The administrative subpoenas were sent to the pair by the...