(CNN)Millions of Americans are jeopardizing their health, freedom and finances by not getting vaccinated and putting themselves at risk of the most infectious coronavirus strain yet, current and former federal health officials say. "Most people will either get vaccinated, or have been previously infected, or they will get this Delta variant," Dr. Scott Gottlieb told CBS' "Face the Nation" on Sunday. "And for most people who get this Delta variant, it's going to be the most serious virus that they get in their lifetime in terms of the risk of putting them in the hospital," said Gottlieb, who was commissioner...