Douglas Brinkley, a well-known presidential historian and professor at Rice University, says it's not sure that Obama would have won the Democratic nomination without Kennedy's endorsement and that noteworthy part of his speech.

CNN: Is Camelot's future in Obama's hands?

In a forthcoming study of voters undertaken after the recent presidential elections, Nonna Mayer, a professor at Sciences Po, argues that the increase in support for the National Front can almost entirely be put down to a shift in the allegiance of working-class women.

ECONOMIST: Women are flocking to Marine Le Pen

"Obviously, to be able to learn from our history, to avoid the mistakes of the past, they need to process those things more quickly, " said Benjamin Hufbauer, an associate professor at the University of Louisville in Kentucky who wrote a book about presidential libraries.

WSJ: Email Trove Is Big Job for Bush Library