Even before the Ukraine war began, people were speculating that something was physically wrong with Putin. He looked puffy, not as if he’d gained weight, but as if he were reacting to medicines. Speculation escalated with recent videos showing him clutching a table and with a badly shaking hand. Now, The Sun, a British tabloid, is claiming that Putin is going under the knife for a cancer operation, as well as suffering from Parkinson’s. As early as January 3, Britain’s Telegraph paper was suggesting that Putin is seriously ill. The five pieces of evidence it reported were his puffy face;...