In Brief

STEM-CELL RULES: Angry lawmakers in Massachusetts are moving to reverse restrictions on stem-cell research, accusing regulators appointed by Gov. Mitt Romney, a Republican, of overreaching and endangering the state's position as a scientific leader. The new rules could subject scientists to criminal penalties for certain activities used in human embryonic stem-cell research. While the legislature is controlled by Democrats, a spokesman for Kerry Murphy Healey, the lieutenant governor and a

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