President Obama’s bizarre marriage-theme fund-raising scheme — where he asks couples to request campaign donations from their guests in lieu of wedding gifts — has been a total flop. The desperate initiative, dubbed “the Event Registry,” is being mocked by event planners and couples — and shows how desperate the Obama campaign is to keep up with GOP contender Mitt Romney’s fund-raising. Campaign officials launched the initiative in late June, the same month Obama raised just $71 million compared to Romney’s $100 million. So far, “the Event Registry” has been all but ignored on social-media sites — even though Facebook,...