Obama Ad Hits McCain on the Economy

Thirty-second negative spot says the Arizonan has "no plan to lift our economy up," instead targets Obama "with scare tactics and smears." Depicts McCain and Bush together.

"As Americans lose their jobs, homes and savings, it's time for a president who will change the economy, not change the subject."

Click above to watch, and read script here.

Campaign says ad will air on national cable beginning Monday.