Half of all the money contributed so far to Democratic and Republican presidential candidates - $176 million - has come from just 158 families, along with the companies they own or control. Who are these people? According to the report, most of these big contributors live in exclusive neighborhoods where they have private security guards instead of public police officers, private health facilities rather than public parks and pools. Most send their kids and grand kids to elite private schools rather than public schools. They fly in private jets and get driven in private limousines rather than rely on public transportation. They don't have to worry about whether Social Security or Medicare will be there for them in their retirement because they've put away huge fortunes. It's doubtful that most of these 158 are contributing to these campaigns out of the goodness of their hearts. They're largely making investments, just the way they make other investments. And the success of these investments depends on whether their candidates get elected, and will lower their taxes even further, expand tax loopholes, shred health and safety and environmental regulations so their companies can make even more money, and cut Social Security and Medicare and programs for the poor - and thereby allow these 158 and others like them to secede even more from the rest of our society. These people are, after all, are living in their own separate society. They want to elect people who will represent them, not the rest of us.