President Trump on Saturday night threatened to "obliterate" Iran's power plants, starting with its largest one, if the Strait of Hormuz is not reopened within 48 hours.
Iran struck two communities near Israel's main nuclear research center late Saturday, leaving at least 90 people wounded in the southern part of the country.
Robert Mueller served as FBI director from 2001 to 2013 and led the investigation into allegations of Russian meddling in the 2016 presidential election.