BY INSTINCT Americans cheer declarations of independence, especially when those going it alone claim to be throwing off the shackles of foreign tyranny. A certain note of piquant irony may intrude when the revolutionaries hail from the United Kingdom of Great Britain and Northern Ireland. But no matter: liberty is liberty, and conservative Americans in particular have reacted warmly to the news of the Brexit vote, praising what they hail as an act of understandable pluck, inspired by a familiar concern for national sovereignty.
