In a new Web video, President Barack Obama is asking Americans to help him pass his $3.6 trillion budget.
"I'm asking you to head outside this Saturday to knock on some doors, talk to some neighbors, and let them know how important this budget is to our future," he said in the video.
Obama said his budget will "lay a foundation for lasting growth and prosperity," by investing in health care, education and renewable energy.
The spending plan projects a federal deficit of $1.75 trillion this year, by far the largest in history.
But Obama says he can get it down to $533 billion by 2013.
The four-minute video was sent in an email by David Plouffe, Obama's former campaign manager.
Plouffe now runs Organizing for America, whose almost 14 million-person e-mail list is drawn from voters who supported Obama last November.
The group, which is overseen by the Democratic National Committee, has been asking Obama supporters to canvass in their neighborhoods this weekend and call their congressmen, encouraging them to vote for the president's budget.