DENVER - AUGUST 28: Fireworks go off Fireworks go off as after Obama's speech on day four of the Democratic National Convention (DNC) at Invesco Field at Mile High August 28, 2008 in Denver, Colorado. Obama is the first African-American to be officially nominated as a candidate for U.S. president by a major party.
DENVER - AUGUST 28: Fireworks go off as Democratic U.S. Presidential nominee Sen. Barack Obama (D-IL), Michelle Obama while running mate U.S. Sen. Joe Biden (D-DE),and his wide Jill Biden stand on stage after Obama's speech on day four of the Democratic National Convention (DNC) at Invesco Field at Mile High August 28, 2008 in Denver, Colorado. Obama is the first African-American to be officially nominated as a candidate for U.S. president by a major party.
DENVER - AUGUST 28: Democratic U.S. Presidential nominee Sen. Barack Obama (D-IL) reacts to the crowd on day four of the Democratic National Convention (DNC) at Invesco Field at Mile High August 28, 2008 in Denver, Colorado. U.S. Sen. Barack Obama (D-IL) is the first African-American to be officially nominated as a candidate for U.S. president by a major party.
DENVER - AUGUST 28: (L-R) Malia Obama, Michelle Obama, Sasha Obama and U.S. Sen. Barack Obama (D-IL) stand on stage delegates after he accepted the Democratic presidential nomination at Invesco Field at Mile High at the 2008 Democratic National Convention (DNC) August 28, 2008 in Denver, Colorado. Obama's acceptance speech coincides today with the 45th anniversary of Rev. Martin Luther King Jr. delivery of the "I Have a Dream" speech. Sen. Obama is now the first African-American to be officially nominated as a candidate for U.S. president by a major party.
DENVER - AUGUST 28: (L-R) Michelle Obama, Malia Obama, Sasha Obama and U.S. Sen. Barack Obama (D-IL) stand on stage delegates after he accepted the Democratic presidential nomination at Invesco Field at Mile High at the 2008 Democratic National Convention (DNC) August 28, 2008 in Denver, Colorado. Obama's acceptance speech coincides today with the 45th anniversary of Rev. Martin Luther King Jr. delivery of the "I Have a Dream" speech. Sen. Obama is now the first African-American to be officially nominated as a candidate for U.S. president by a major party.
DENVER - AUGUST 28: U.S. Sen. Barack Obama (D-IL) waves to delegates before he accepts the Democratic presidential nomination at Invesco Field at Mile High at the 2008 Democratic National Convention (DNC) August 28, 2008 in Denver, Colorado. Obama's acceptance speech coincides today with the 45th anniversary of Rev. Martin Luther King Jr. delivery of the "I Have a Dream" speech. Sen. Obama is now the first African-American to be officially nominated as a candidate for U.S. president by a major party.
Democratic presidential nominee Barack Obama addresses the Democratic National Convention 2008 at the Invesco Field in Denver, Colorado, on August 28, 2008. Obama accepted the party's presidential nomination before a capacity crowd of 75,000 delirious supporters, becoming the first-ever black major-party White House pick, exactly 45 years after Martin Luther King's "I have a dream" anthem to racial harmony.