Challenged hundreds, perhaps thousands of times...and still untouched.
And compare this to how the shoddy the standard is the climate cultists are held to!
Pah-leeze! Climate Clowns are the furthest thing from a legitimate science you can possibly get! It's like putting the Devil in charge of admission to Heaven and trusting him to behave according to an honor code!
Einstein is pristine, climate cultists are back of the cave janitors in Hell!