For most London-based politicians, there’s a threat that’s worse than Covid. You’ll begin to notice it as we ease out of lockdown. It’s not the Brazilian variant that keeps them awake at night, or collapsing hospitals. Nope. What really worries them is the thought of cars. Watch them pale as they mutter the words ‘car-led recovery’ and marvel at the variety of tortuous schemes cooked up to thwart motorists.