Putin showers Kyiv, other Ukrainian cities with barrage of perhaps 75 missiles. Many dead, buildings destroyed. Another escalation, but what’s the next one? Nuclear, biological, chemical? Self-anointed geniuses in Washington and Moscow steer us toward a cliff, step on the accelerator. But this is not an academic seminar, where the worst injury is hurt feelings, and the most dangerous weapon is a sharp reply. This is reality, and it can get real bad real fast.