Qui di seguito (in inglese), il discorso sul razzismo di Barack Obama, candidato per i Democratici alla presidenza degli Stati Uniti d'America. Secondo molti, rappresenta uno dei discorsi più importanti negli ultimi 40 anni. *** Transcript: Senator Barack Obama's speech Published: March 18, 2008 The following is the text of Barack Obama's speech in Philadelphia , as prepared for delivery and provided by his campaign. "We the people, in order to form a more perfect union." Two hundred and twenty one years ago, in a hall that still stands across the street, a group of men gathered and, with these simple words, launched America's improbable experiment in democracy. Farmers and scholars; statesmen and patriots who had traveled across an ocean to escape tyranny and persecution finally made real their declaration of independence at a Philadelphia convention that lasted through the spring of 1787. The document they produced was eventually signed but ultima