CHARLOTTE, N.C. - President Barack Obama has argued his case for another four years, telling fellow Democrats the voters this fall face a "choice between two different paths for America."

In his speech accepting nomination for another term, Obama told the Democratic National Convention that the choice the Election Day will be "between two fundamentally different visions for the future."

Obama walked on stage to the thunderous cheers of thousands of party faithful. His convention speech in Charlotte, N.C., set White House markers for the campaign's final push.

The president conceded the problems facing the nation are serious, especially the economy. But he said, "You didn't elect me to tell you what you wanted to hear. You elected me to tell the truth."

Obama also declared that the terrorist network al Qaida is, quote, "on the path to defeat and Osama bin Laden is dead."

He said, "I won't pretend the path I'm offering is quick or easy," but he said that the challenges the country faces can be met if people work together.