Keith - what you say is wrong in the UK and wrong in the USA too. GO AND READ THE CASE. The Oliver Wendel Holmes opinion was in relation to a prohibited form of political expression.

"Holmes, writing for a unanimous Court, ruled that it was a violation of the Espionage Act of 1917 (amended with the Sedition Act of 1918), to distribute flyers opposing the draft during World War I. Holmes argued this abridgment of free speech was permissible because it presented a "clear and present danger" to the government's recruitment efforts for the war. "