4/2: Atlanta educators turn themselves in; President announces plan to map the human brain

      |Investigators say at least 200 Atlanta-area administrators and teachers took part in altering, fabricating and falsely certifying state exams; Also, police are looking into a possible connection between a white supremacist group and the recent killings of a Colorado prison chief and a Texas prosecutor and his wife; And, President Obama has proposed a $100 million mission to map the human brain in a partnership between government, private industry, and universities.

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