It is a bit of a leap from not best to failing. Education is a bit of a political football unfortunately and reforms rarely last long enough in the UK to even allow their level of success to be assessed, before another Education Secretary comes along with a new vision.

It is entirely possible to try to optimise and invest at the same time, and those things might well be complementary. I can understand a degree of nervousness about handing over billions of £s to Gavin Williamson to spend effectively, admittedly.

Not lies, not fibs, he just "mis-spoke" (again and again and again)
How do you judge how well he ran TFL - this stuff isn't an exact science and it isn't a matter of fact - 32m vaccinations is a fact 150k+ deaths is a fact how well Boris ran TFL is an opinion depending on what is expected from the service.

How often do you here Khan suggesting increased crime figures in London is down to police cuts - has Khan done a good or bad job of managing crime in London giving all available data?