Will Trump take the opportunity this time, in his second inaugural speech, to talk of unity? Or will it be more 'American carnage'?

Under the Constitution’s 20th Amendment, the newly elected president of the United States takes office on Jan. 20 (unless that’s a Sunday, in which case it moves to Jan. 21). For Trump’s (second) big day, the pomp and circumstance will include performances by Carrie Underwood and the Village People, a military parade, and formal balls.

John F. Kennedy inspired Americans with the words, "Ask not what your country can do for you — ask what you can do for your country." Franklin D. Roosevelt assured them there's "nothing to fear but fear itself.