Federal agents on Wednesday arrested a Southern California man who allegedly claimed to have a cure for the coronavirus and was selling the fake antidote using Earvin “Magic” Johnson’s name as a ruse to lure investors. The FBI took actor Keith Lawrence Middlebrook, 53, into custody Wednesday evening during an undercover sting. Middlebrook, who held small-time uncredited roles in “Iron Man 3,” “Thor” and “Moneyball,” delivered pills to a federal agent posing as a potential investor after he allegedly claimed to have personally developed a “patent-pending cure” for COVID-19, the global pandemic that has since ravaged the world, the agency...