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Well, it turned. The police bureau is starting to crack after six weeks of Occupy Portland. And one picture, right here, crystallizes the precise moment when it happened. During a choreographed effort to pull a few dozen protesters out of the Chase bank branch outside Pioneer Square, part of today's hundreds-strong N17 day of action, Portland police officers resorted to a decidedly more muscular show of force in a clash watched by TV cameras and rush-hour commuters earlier this evening. Suddenly all the fun-the dance parties, the union songs, the peaceful arrests earlier on the Steel Bridge and at Wells Fargo-was for naught. Tromping in with mounted officers, they pushed marchers who had gathered on the sidewalks along SW Yamhill into the street-forcing them to block MAX trains, something no one was doing until the heavily armored riot squad showed up-and then poked and, for the first time, pepper-sprayed the marchers. Significantly, some of the spraying came after protesters had clearly retreated to the opposite sidewalk. (In another odd shift, there also was no federal-court-required verbal PA warning that chemical munitions would be deployed-a hallmark of every other mass police action to date.) Meanwhile, at almost the very same moment, Police Chief Mike Reese was on TV blaming Occupy Portland for his officers' inability to respond to a rape victim for three hours today. Consider that tantamount to a declaration of war. Reese's point? Officers are tired and have been too distracted to do their main jobs: responding to actual crimes. It was an attempt to spin sentiment against the movement, which seems to be attracting adherents. Even the O today said the movement is "building momentum" and said the average age of some 34 arrestees earlier today was 50-not a bunch of young, anarchists/punks/hoodlums/hippies/road warriors etc. But that might come back to haunt him, judging by a wave of outrage on Twitter and elsewhere among those who noted that it

The supply of secure, clean, sustainable energy is arguably the most important scientific and technical challenge facing humanity in the 21st century. Rising living standards of a growing world population will cause global energy consumption to double by mid-century and triple by the end of the century. Even in light of unprecedented conservation, the additional energy needed is simply not attainable from long discussed sources these include nuclear, biomass, wind, geothermal and hydroelectric. The global appetite for energy is simply too much. Petroleum-based fuel sources (i.e., coal, oil and gas) could be increased. However, deleterious consequences resulting from external drivers of economy, the environment, and global security dictate that this energy need be met by renewable and sustainable sources. The dramatic increase in global energy need is driven by 3 billion low-energy users in the non-legacy world and by 3 billion people yet to inhabit the planet over the next half century. The capture and storage of solar energy at the individual level personalized solar energy drives inextricably towards the heart of this energy challenge by addressing the triumvirate of secure, carbon neutral and plentiful energy. This talk will place the scale of the global energy issue in perspective and then discuss how personalized energy (especially for the non-legacy world) can provide a path to a solution to the global energy challenge. Daniel G. Nocera is the Henry Dreyfus Professor of Energy at the Massachusetts Institute of Technology, Director of the Solar Revolutions Project and Director of the Eni Solar Frontiers Center at MIT. His group pioneered studies of the basic mechanisms of energy conversion in biology and chemistry. He has recently accomplished a solar fuels process that captures many of the elements of photosynthesis outside of the leaf. This discovery sets the stage for a storage mechanism for the large scale, distributed, deployment of solar energy. He has b