Health care delivery is expected to change, with more care provided by nurse practitioners and fewer people having a doctor for life. Images.com/Corbis hide caption

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A student gets vaccinated against pertussis at a Los Angeles middle school in 2012. The state required that students be immunized to halt an epidemic of whooping cough. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images

Law professor Lawrence Lessig, shown here in 2009, is suing an Australian record label for threatening to sue him over an alleged YouTube copyright violation. Neilson Barnard/Getty Images hide caption

itoggle caption Neilson Barnard/Getty Images

California State Sen. Darrell Steinberg applauded the governor for signing the legislation, saying that it gives minors "common sense protections" online. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Key methamphetamine ingredient pseudoephedrine is most easily found in cold and allergy medicines. Ann Heisenfelt/AP hide caption

itoggle caption Ann Heisenfelt/AP

The Justice Department, along with the Department of Education, is trying to stop what experts describe as a "school-to-prison pipeline." J. David Ake/AP hide caption

itoggle caption J. David Ake/AP