By Mike McGann, Editor, The Times “I was born in a cross-fire hurricane And I howled at the morning driving rain But it’s all right now, in fact, it’s a gas But it’s all right. I’m Jumpin’ Jack Flash It’s a gas, gas, gas” — The Rolling Stones, Jumpin’ Jack Flash. It’s pretty clear that politics over the next 18 or so months will be anything but calm, as...