SUNRISE, Fla. – Democratic presidential candidate Barack Obama plunked down $4 million for a campaign-closing television ad Wednesday night and summoned voters to "choose hope over fear and unity over division" in Tuesday's election. Republican John McCain derided the event as a "gauzy, feel-good commercial," paid for with broken promises.
"America, the time for change has come," Obama said in the final moments of the unusual ad, a blend of videotaped moments and a live appearance before thousands in Sunrise, Fla.

"In six days we can choose an economy that rewards work and creates jobs and fuels prosperity starting with the middle class," Obama said.

The 30-minute ad, aired on CBS, NBC, Fox and several cable networks, came days from the end of a race in which Obama holds the lead in polls nationally and in most key battleground states as he bids to become the first black president.

And while it is unusual for candidates to acknowledge the possibility of defeat, Republican running mate Sarah Palin said she intended to remain a national figure even if the ticket loses next week. "I'm not doin' this for naught," she told ABC News in an interview.

"choose hope over fear and unity over division"

McCain, in Florida, argued that Obama lacks "what it takes to protect America from terrorists" as he sought to shift attention away from the economy.
"The question is whether this is a man who has what it takes to protect America from Osama bin Laden, al-Qaida and the other great threats in the world," he said. "He has given no reason to answer in the affirmative."

TOLEDO, Ohio – Facing the unhappy prospect of defeat, Republican vice presidential candidate Sarah Palin indicated Wednesday that she will not disappear from the national political scene if the GOP ticket loses on Tuesday.
"Absolutely not. I think that, if I were to give up and wave a white flag of surrender against some of the political shots that we've taken, that ... that would ... bring this whole ... I'm not doing this for naught," Palin said in an interview with ABC News, according to excerpts of a transcript released by the television network.