A horrific attack on concert goers in Moscow on Friday night has terrorized Russians and put some difficult decisions in front of Vladimir Putin. Who did it, why did they do it and why didn't he listen to the US who warned him weeks ago that something like this was being planned? Janice Stein joins us to talk about the impact this can have on the Ukraine war; also the latest on Israel-Hamas and some encouraging news about Guatemala. Plus we unveil the question of the week.