Rosemarie Ostler: Obama’s critics have found a variety of ways to portray him as exotic and un-American. But this is nothing new. For two centuries politicians have been labeling their opponents as not quite American enough.
Labor Day became a federal holiday in the United States in 1894. At that time, conflict between labor unions and the railroads had reached such a fever pitch that there was danger of the American economy taking a big hit. President Grover Cleveland took action by calling in the U.S. Military and U.S. Marshals to [...]