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In an electoral system corrupted by money, media, and parties, the US people are offered a choice every four years between two hideously awful candidates for an office that increasingly resembles an imperial throne. And increasingly the primary motivation of voters is to oppose the candidate they believe is the greater evil.

I've written before about the crisis of inequality in the United States and about the quasi-religious abhorrence of "wealth redistribution" that causes many Americans to oppose tax increases, even on the ultra rich. The conviction that taxation is intrinsically evil has achieved a sadomasochistic fervor in conservative circles-producing the Tea Party, their Republican zombies, and increasingly terrifying failures of governance. Happily, not all billionaires are content to hoard their money in silence. Earlier this week, Warren Buffett published an op-ed in the New York Times in which he criticized our current approach to raising revenue. As he has lamented many times before, he is taxed at a lower rate than his secretary is. Many conservatives pretend not to find this embarrassing. Conservatives view taxation as a species of theft-and to raise taxes, on anyone for any reason, is simply to steal more. Conservatives also believe that people become rich by creating value for others. Once rich, they cannot help but create more value by investing their wealth and spawning new jobs in the process. We should not punish our best and brightest for their success, and stealing their money is a form of punishment. Of course, this is just an economic cartoon. We don't have perfectly efficient markets, and many wealthy people don't create much in the way of value for others. In fact, as our recent financial crisis has shown, it is possible for a few people to become extraordinarily rich by wrecking the global economy. Nevertheless, the basic argument often holds: Many people have amassed fortunes because they (or their parent's, parent's, parents) created value. Steve Jobs resurrected Apple Computer and has since produced one gorgeous product after another. It isn't an accident that millions of us are happy to give him our money. But even in the ideal case, where obvious value has been created, how much wealth can one person be allowed to keep? A trillion doll

"Or consider what American computer specialists are doing on the Internet, perhaps terrorist leaders' greatest safe haven, where they recruit, raise money, and plot future attacks on a global scale. American specialists have become especially proficient at forging the onscreen cyber-trademarks used by Al Qaeda to certify its Web statements, and are posting confusing and contradictory orders, some so virulent that young Muslims dabbling in jihadist philosophy, but on the fence about it, might be driven away."

Educational researchers at the Technical University of Munich (TUM) have found that schoolchildren can independently develop strategies for solving complex mathematical tasks, with weaker students proving just as capable as their stronger classmates. Researchers in mathematics education worked with approximately 1600 8th grade high-school students in various German states. Following an introduction to the general topic by their teachers, the school children were given a workbook of geometric tasks that they had to solve on paper and using a computer over four school periods. Calculating the surface area of Gran Canaria was one of the real-world, free-form assignments the students had to tackle. The workbook material included explanations and examples of various problem-solving approaches. The teachers took a back seat during the session but were on hand to answer questions from the children, who worked in pairs. After testing the students' skills before and after the session, the researchers recorded a significant improvement in their capabilities. The students learned to apply mathematics more effectively, the researchers said. The students were also able to call on these skills in a further test three months later. "We expected students who were weaker at math to benefit more from a greater degree of guidance through the module," said professor Kristina Reiss.  "But we didn't see a significant difference between these and stronger students." The researchers also found that there were also no differences between boys and girls. "We now know that students - also those who are weaker in math - have the skills to master even very complex subject matters at their own pace," said Reiss. Topics: Cognitive Science/Neuroscience

Architect Neri Oxman is the founder of MATERIALECOLOGY, an interdisciplinary design initiative expanding the boundaries of computational form-generation and material engineering. Named one of Fast Company's "100 Most Creative People in Business," Oxman investigates the material and performance of nature in an effort to define form itself.