U.S. Marines drink the blood of a king cobra during jungle survival training as part of Cobra Gold 19. (Lance Cpl. Kenny Nunez/U.S. Marine Corps)The organization People for the Ethical Treatment of Animals (PETA) called on supporters to protest outside the Pentagon on Thursday and hold large photos of U.S. Marines drinking snakes’ blood during survival training in an effort to pressure U.S. Defense Secretary Lloyd Austin to discontinue the practice.“Slurping snake blood and eating live animals during Cobra Gold is cruel and poses the risk of the transmission of a dangerous zoonotic disease potentially akin to COVID-19,” PETA Vice...