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.
Stanley Kutler: Thomas sometimes seems more comfortable with the Articles of Confederation, the failed authorization for a national government that had preceded the adoption of the Constitution in 1787. If conservatives are said to look backward, then Thomas clearly owns the longest view.