David Cameron and Ed Miliband have dominated the proceedings but other MPs have also popped up with a few sound bites, planted questions, funny and serious lines of their own.
Another pioneer was the author EM Forster's niece, Mary Arnold-Forster, who wrote a guidebook to lucid dreaming in the 1920s; she used her dream awareness to avoid frightening nightmares about World War I. Arnold-Forster and Saint-Denys's work was mostly ignored, however, and during the following decades lucid dreams were over-looked for more "serious" lines of enquiry.
Even the serious lines of pedagogy drawn by Plato (the gymnasia of Athens became associated with famous schools of philosophy, like Plato's Academy and Aristotle's Lyceum) could be smudged by an appreciation of an athlete's physique in addition to their intellectual dexterity.
"So far," he said, "we haven't convinced the committee on academic programs that gaming is a serious line of inquiry".
Now d.light has enticed a serious line up of investors including DFJ, Omidyar Network, Nexus India Capital, Gray Ghost Ventures, Acumen Fund and Garage Technology Ventures into an $11 million Series C. For d.light this investment caps a total of $40 million the company has raised and cements its industry leadership.
"Just today," Mr. Bush continued, "there are new revelations about the potential misuse of the White House for fund-raising purposes, new evidence that my opponent may have crossed a serious line -- solicitation of campaign contributions linked to a presidential veto.
Incidentally, I quite like the way in which these young actors have made a joke of my serious line in ChandramukhiEnna Kodumai Saravana Idhu".
Mr. Kubrick's straight-faced satire may include bizarre characters with ridiculous names -- Gen. Jack D. Ripper, President Merkin Muffley and, of course, Col. Bat Guano -- but they always deliver their lines with complete conviction, drawing comedy from the contrast between the serious line readings and the utter silliness of what's being said.
The UK was undoubtedly lured into crossing this most serious of lines in its rush to cooperate with the US and other security partners in the context of the so-called "war on terror".
Both of them, and Saudi Arabia, should do more to develop this opening into serious regional diplomacy across lines of enmity.
Addressed to the gods, it comes in a speech by Theseus (Sam Tsoutsouvas, who gives it a deliciously authoritative ambivalence), and it is especially resonant if you think of it, as Mr. Bloom does, "as far as we know, the last lines of serious poetry Shakespeare ever wrote": O you heavenly charmers What things you make of us!
