Commentators have been in a frenzy over JD Vance’s comments about “childless cat ladies” who live “miserable lives” and therefore have less worth, not just as people, but as voters. But to some senior figures in the Republican movement, they’re missing the far greater threat that JD  Vance poses.Today, international and political editor, Peter Hartcher, about how Donald Trump’s vice presidential pick is helping to turn the one-time conservative Republican party into a counter-revolutionary movement. And, specifically, one that views Democrats not just as a political threat. But a physical one, too.Subscribe to The Age & SMH: https://subscribe.smh.com.au/See omnystudio.com/listener for privacy information.