It was remarkable to see Donald Trump stay on script for a full 80 minutes. It also proved what a gruelling tradition the State of the Union is.
It's quite possible that neither the US nor the UK will ever return to normal when it comes to political and constitutional balance.
Never mind a "Muslim ban", Obamacare repeal or a wall on the Mexican border – Donald Trump's only real agenda is himself.
There are just enough people who need Donald Trump to keep his excruciating presidency going.
Historians, commentators and thinkers have written endless books on how the US presidency works. None of them applies to the incumbent, Donald Trump.
Presidents past have used this nearly limitless power to halt criminal prosecutions before. What's to stop Trump?
At the Versailles court, a well-directed glance could decide a person's fate. Imagine if Donald Trump were so subtle.
Laws that limit presidential power won't enforce themselves – Congress must act.
A president has more than one route out of office – voluntarily or otherwise.
The law says official presidential records must be preserved. How do tweets figure in – particularly when they're altered or deleted?
A political scientist looks at the similarities between the new American president and the sultans of the Ottoman Empire. What might the parallels portend for US politics?
A scholar of presidential power looks at personality, rationality and the institution of the presidency for clues about what the incoming administration can accomplish.