Quote of the day by Valery Legasov: 'Every lie we tell incurs a debt to the truth. Sooner or later, that debt is paid' and how continuous deception led to the Chernobyl disaster in 1986 and eventually contributed to the fall of the USSR

• Moments after the catastrophic explosion tore through Reactor No.
• 4 in Chernobyl, he reports this number to his superiors, reassuring them that the situation is stable and the damage is manageable.