QUENTIN LETTS: Peril has galvanised Sir Keir. His adrenal glands were pumping him full of chemical confidence. He was fighty, jabbering, clawing, scribbling on his notes, fizzing with scorn

The article describes Sir Keir Starmer appearing energized and aggressive in response to political threats, using vivid metaphors like 'fighty, jabbering, clawing' to depict his demeanor.