By Joseph Loconte
President Obama likes to refer to himself as a “student of history.” As he prepares his State of the Union Address, he might bear in mind the history of another great republic: Rome. Its decline was anticipated by Marcus Tillius Cicero, one of Rome’s greatest statesmen. Cicero delivered a speech on Nov. 6, 63 B.C. that surveyed the political and moral landscape of his country — and found it wanting.