Republican Party 1854-2016.
A nativist tradition has always had a presence in US political culture, at times lurking beneath the calm waters of regular electoral politics, at other times crashing through like a Kraken intent on the destruction of the nation.
Since 2009, the Republican Tea Party has been that mythological sea monster, initially awakened by Mr Trump’s birther fabula. Now these Republicans have again turned to Mr Trump in massive numbers. His campaign represents their best fears and worst hopes for America.