Evidence, all of it circumstantial, continued to point last week to His Majesty's Secretary of State for the Colonies James Henry Thomas as the source of the Budget leak which enabled sure-thing gamblers to bilk British insurance firms of over half a million dollars (TIME, May 25). On the evening that lean, bespectacled Mr. Justice Porter & associates wound up their investigation of this breach of Cabinet confidence, Cockney Jim Thomas, onetime locomotive wiper who became the friend of kings, sat down and wrote as follows:
"My dear Prime Minister:
"I understand that the...