The nuclear bluster and threats from many of those connected to Russia’s invasion of Ukraine have, at times, been bone-chilling.

“The horsemen of the apocalypse” are on their way, Dmitry Medvedev warned this past week. The former Russian president, whom many European countries once considered to be relatively friendly to the West, had days earlier condemned the leaders of those same countries, vowing to “do everything to make them disappear.”

But as President Vladimir Putin’s invasion of Ukraine reaches the four-month mark, there have also been notable shifts in how both sides may be assessing the so-called nuclear “red lines.”

In an interview with BBC News around the same time, Russia’s Ambassador the U.K. sounded