New Cancer Blood Test; Re-Evaluating School Police : Here & Now A new treatment could be a game changer for some patients with tumor-based cancers. It's a simple blood test that shows recurrence of cancer months before it can appear on MRIs, CT scans and X-rays. We speak to a doctor and a patient using the test. And, we speak with the executive director of the National Association of School Resource Officers, about the strengths and weaknesses of school policing.

New Cancer Blood Test; Re-Evaluating School Police

New Cancer Blood Test; Re-Evaluating School Police

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A new treatment could be a game changer for some patients with tumor-based cancers. It's a simple blood test that shows recurrence of cancer months before it can appear on MRIs, CT scans and X-rays. We speak to a doctor and a patient using the test. And, we speak with the executive director of the National Association of School Resource Officers, about the strengths and weaknesses of school policing.

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