Mr. Liberti covered the topic as a reporter, while Mr. Segre traveled widely, from Eastern Europe to Africa, to understand what led people to try to emigrate to "fortress Europe," he said.
Choose a narrowly-defined topic as a basis for comparing the credibility of resources available online.
It is tempting to treat the conference's official topic as a bit of a joke.
So let's stop treating the whole topic as a political football and start treating its ideas seriously.
Ryan always addressed the topic as a personal matter, which is how he handled the subject in his book.
I was originally drawn to this topic as a novelist following a single conversation with a consultant child psychiatrist who related to me a professional worry of hers.
There was an exaggerated flourish of craftwork (another current hot topic), as a vest in a woven lattice of braided leather.
In an interview with the world music magazine fRoots in 2004, he said he chose the topic "as a way of rationalizing to myself that I hadn't misspent my entire youth listening to records to no purpose".
Was Greenwood similarly obsessed with the topic as a kid? "I'm not an inherently morbid person," she says, "but I am very drawn to the darkly comic and absurd, and I don't think there is anything more at the crossroads of comic absurdity than faking your own death".
Serious science used to shun the topic as a realm for cranks and pulp fiction but Thorne, holder of multiple awards and honorary degrees, and adviser to Nasa and Congress as a member of the National Academy of Sciences' space science board, has made it respectable.
