Maureen de Beer, a 74-year-old retired lecturer from Harrow, said Mr Kennedy's speech had highlighted the differences between the major political parties.

BBC: NEWS | UK | Politics | Leader triumphs from sickbed

Dallek points out the differences between giving a speech in the Oval Office versus a speech in a different venue.

CNN: Oval Office setting is message behind the message

There were also no significant differences between the groups in relation to their speech, language, behaviour or neurological development.

BBC: Pregnant woman undergoing an ultrasound

All of these clashes serve as reminders of the difficulty of reconciling the borderless nature of the Internet with national differences on matters like privacy or freedom of speech.

FORBES: Forget Amanda Knox. The future of the Web is on trial in Italy.

And I think the reason here was, you know, in 2004, if you will recall, Renee, he gave a very good speech called "Two Americas" speeches in which he talked about the differences emerging in the country class-wise, rich and poor.

NPR: Assessing a Two-Person Democratic Race