Could Russia use chemical weapons in Ukraine?

VLADIMIR PUTIN has rocketed Kyiv, shelled Kharkiv and bombed a maternity hospital in Mariupol in his quixotic and blood-soaked effort to “de-Nazify” Ukraine. Some think he may soon resort to worse. “[W]e should all be on the lookout for Russia to possibly use chemical or biological weapons in Ukraine, or to create a false-]flag operation using them,” warned Jen Psaki, the White House spokeswoman, on March 9th. “I’ll make you one other prediction,” noted Boris Johnson, Britain’s prime minister, a day later. “The stuff that you are hearing about chemical weapons…is straight out of their playbook.”