And, it must be said, a little eyebrow-raising given his outspoken views on the imperative of free speech online.
How does one strike the endlessly delicate balance between the need for security and the imperatives of free speech?
New York's mayor, Michael Bloomberg, has been juggling the imperatives of free speech and civic peace while remaining wary of police excesses.
Considering how unpopular Romney is, it was imperative for his acceptance speech to offer a more intimate or absorbing view of him, not as a politician, but as a person.
Well, he's a typically understated message from actor Shia LaBeouf: Or perhaps you'd prefer a little subtle undercover characterisation: So this week we're all about the imperative, the part of speech that tells the listener, or the subject of instruction within the song, what to do.
The imperative of freedom of speech is immediately accessible to those who value intellect, yet the imperative of the right of Jews to live unfettered by anti-Semitism is clearly less salient.
And so began the speech's hectoring imperative refrain, "Pass this bill", which Mr Obama repeated in one form or another 16 times.
All responsible Internet hosts should consider a carefully calibrated approach that balances the interests of free speech with the imperative of providing a hate-free environment for all users.
The Five Year Forward View, which has won widespread support since it was unveiled late last year by the NHS England chief executive, Simon Stevens, and which even featured in last week's Queen's speech, embraces the imperative of such a shift.
The Democratic convention, culminating in Clinton's speech, reflected that imperative.
