The Washington Post has produced a long, two part piece, about the failed ‘counter-offensive’ in Ukraine. It dispenses equal blame on the U.S. and British planning of the whole mess and the Ukrainian execution of it.
The bullet points from the first part:
Miscalculations, divisions marked offensive planning by U.S., Ukraine (archived)
Key elements that shaped the counteroffensive and the initial outcome include:
Click for Full Text!