If you can't quite make out what he's saying, here it is:
“America, centre of equal daughters, equal sons,
All, all alike, endeared, grown, ungrown, young or old,
Strong, ample, fair, enduring, capable, rich,
Perennial with the earth, with Freedom, Law, and Love.”
Now go here.
Whitman, Walt. "America" (audio file). The Walt Whitman Archive. Ed. Ed Folsom and Kenneth M. Price. 11 September 2003