It's time now for Ask An Expert. Every weekday at 9:20 AM on KCBS we're giving you direct access to top experts in various fields.

As we've been reporting, Russian president Vladimir Putin is ordering a three-day ceasefire in the war in Ukraine set for the second week of May. This comes as Ukraine has accused Putin and his forces of violating the last ceasefire on Easter.

For a closer look, KCBS Radio anchors Margie Shafer and Eric Thomas spoke with Andrew Jenks, professor and Russian history scholar at California State University - Long Beach.