President Barack Obama's awesome tribute to Muhammad Ali. HoopJab
14:18
A Very Touching Tribute To Muhammad Ali by Billy Crystal
21:01
2012 United States presidential debate | Barack Obama, Mitt Romney
4:29
Muhammad Ali receives the Presidential Medal of Freedom
4:38
Muhammad Ali arriving in Newcastle, England 1978
3:08:41
Watch Muhammad Ali memorial service
16:05
Obama's 2004 DNC keynote speech
21:10
História Americana: Os Maiores Discursos (1933-2008)
19:46