Moscow, Russia. 09th May, 2019. Russian soldiers Topol M intercontinental ballistic missile launchers parade past the review stand during the annual Victory Day military parade marking the 74th anniversary of the end of World War II in Red Square May 9, 2019 in Moscow, Russia. Russia celebrates the annual event known as the Victory in the Great Patriotic War with parades and a national address by President Vladimir Putin. Credit: Planetpix/Alamy Live News

Could Putin go nuclear?

There is a risk that the Russian president may decide to press the proverbial button, but whether his top brass would go along with it and pass on the necessary orders is another matter.