Health_Medical_Pharma

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Cattle drink from a borehole trough in Dertu. As one of 14 Millennium Villages, Dertu also has a cell tower and has seen improvements in health care and education though some goals are unrealized. (Associated Press)

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Jeffrey Sachs, special adviser to U.N. Secretary-General Ban Ki-moon (The Earth Institute Columbia University)

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Children study in scant shade in Dertu, where school attendance has doubled for boys and tripled for girls. Their teacher lives in a backpacker's tent and will move with the nomads when they do. (Associated Press)

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President Obama hugs a guest Wednesday after listening to her story in the backyard of a private residence in Falls Church, Va., where Obama discussed the Patient's Bill of Rights and health care reform. (Associated Press)

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President Barack Obama, accompanied by Health and Human Services Secretary Kathleen Sebelius, center, talks in the backyard of a private residence to discuss the Patient's Bill of Rights and health care reform, Wednesday, Sept. 22, 2010, in Falls Church, VA. (AP Photo/Pablo Martinez Monsivais)

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** FILE ** President Barack Obama, accompanied by Health and Human Services Secretary Kathleen Sebelius, arrives in the backyard of a private residence in Falls Church, Va., Wednesday, Sept. 22, 2010, to discuss the Patient's Bill of Rights and health care reform. (AP Photo/Pablo Martinez Monsivais)

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President Barack Obama greets Gail O'Brien, from Keene, N.H., in the backyard of a private residence in Falls Church, Va., Wednesday, Sept. 22, 2010, to discuss the Patient's Bill of Rights and health care reform. Earlier this year, O'Brien was diagnosed with high grade non-Hodgkin's lymphoma and had no health insurance. (AP Photo/Pablo Martinez Monsivais)

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Paul Brayshaw, right, introduces President Barack Obama, in his backyard in Falls Church, Va., Wednesday, Sept. 22, 2010, where the president discussed the Patient's Bill of Rights and health care reform. (AP Photo/Pablo Martinez Monsivais)

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Health and Human Services Secretary Kathleen Sebelius looks on at left as President Barack Obama speaks in the backyard of a private residence in Falls Church, Va., Wednesday, Sept. 22, 2010, to discuss the Patient's Bill of Rights and health care reform. (AP Photo/Pablo Martinez Monsivais)

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President Barack Obama meets with guest in the backyard of a private residence in Falls Church, Va., Wednesday, Sept. 22, 2010, to discuss the Patient's Bill of Rights and health care reform. (AP Photo/Pablo Martinez Monsivais)

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President Obama greets Gail O'Brien, from Keene, N.H., in the backyard of a private residence in Falls Church, Va., Wednesday, Sept. 22, 2010, to discuss the Patient's Bill of Rights and health care reform. Earlier this year, Ms. O'Brien was diagnosed with high grade non-Hodgkin's lymphoma and had no health insurance. (AP Photo/Pablo Martinez Monsivais)

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**FILE** President Obama greets Gail O'Brien, from Keene, N.H., in the back yard of a private residence in Falls Church, Va., on Sept. 22 to discuss the Patient's Bill of Rights and health care reform. Earlier this year, Ms. O'Brien was diagnosed with high grade non-Hodgkin's lymphoma and had no health insurance. (Associated Press)

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ASSOCIATED PRESS PHOTOGRAPHS Sen. John McCain (center) leads a news conference on Capitol Hill on Tuesday prior to the Senate vote on the defense authorization bill. From left: Senate Minority Leader Mitch McConnell, Sen. Lamar Alexander, Sen. John Cornyn, Sen. John Thune and Senate Minority Whip Jon Kyl.

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Sen. Mark Pryor and Sen. Blanche Lincoln, Arkansas Democrats, joined with Republicans in the filibuster, which led Sen. John McCain, the ranking Republican on the Armed Services Committee, to declare the filibuster effort bipartisan.

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ASSOCIATED PRESS PHOTOGRAPHS Sen. John McCain (center) leads a news conference on Capitol Hill on Tuesday prior to the Senate vote on the defense authorization bill. From left: Senate Minority Leader Mitch McConnell, Sen. Lamar Alexander, Sen. John Cornyn, Sen. John Thune and Senate Minority Whip Jon Kyl.

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Sen. Mark Pryor and Sen. Blanche Lincoln, Arkansas Democrats, joined with Republicans in the filibuster, which led Sen. John McCain, the ranking Republican on the Armed Services Committee, to declare the filibuster effort bipartisan.

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Tea Party Patriots national coordinators Mark Meckler and Jenny Beth Martin. (Associated Press) ** FILE **

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Sen. Susan Collins, Maine Republican, voted against advancing the bill that would have repealed "don't ask, don't tell" because Democrats would not agree to extend debate so that her GOP colleagues could weigh in on other issues. (AP Photo/Alex Brandon)