Barack Obama who used an effective grassroots campaign in 2008 to help propel him to victory is finding that motivating them this year is much harder.

According to ABC News a campaign website set up to track grassroots fundraising reported 11,518 donations through midday on Sept. 30 which was well short of their announced goal of 20,000 donations.

Even an offer to the two top online fundraisers of a personal phone call from Obama or Biden to the person of their choice wasn’t enough motivation to supporters.

Obama is still raising plenty of money for his reelection campaign but the failure of the online campaign and the backlash of previous supporters on Wall Street are showing that there are serious chinks in Obama’s armor and don’t portend well for him in 2012.